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In the beginning there was nothing, which exploded.
unbekannter Autor

Der Mond ist schon untergegangen
und mit ihm die Plejaden,
zur Mitte der Nacht
rückt die Stunde -
doch ich liege allein.
Sappho 630-570 v.Chr.

Das Ganze ist mehr als die Summe seiner Teile.
Aristoteles 384-322 v.Chr.

At the touch of love, everyone becomes a poet.
Platon, 427-347 B.C.

Reich ist man nicht durch das, was man besitzt,
sondern mehr noch durch das, was man mit Würde zu entbehren weiß.
Griechisch

Das Glück wohnt nicht im Besitz und nicht im Golde,
das Glücksgefühl ist in der Seele zuhause.
Griechisch

Gutes Essen ist der erste Schritt zur Gesundheit.
Hippokrates von Kos, 460-370 v.Chr.

Ein Leben ohne Freude ist wie eine weite Reise ohne Gasthaus.
Demokrit, 460-370 v.Chr.

The only existing things are atoms and empty space,
all else is mere opinion.
Demokritus of Abdera, 460-370 B.C.

Lebe heute, vergiss die Sorgen der Vergangenheit.
Epikur, 341-271

Those sciences are vain and full of errors
which are not born from experiment, the mother of certainty....
Leonardo da Vinci, 1452-1519

No human investigation can become real science
without going through mathematical people....
Leonardo da Vinci, 1452-1519

I do not feel obliged to believe that the same God, who has endowed us with sense,
reason and intellect has intended us to forgo their use.
Galileo Galilei, 1564-1642

Hippolyta: This is the silliest stuff that ever I heard.
Theseus: The best in this kind are but shadows; and the worst are no worse, if imagination aimed them.
Shakespeare, 1564-1616

In order to reach the truth, it is necessary, once in one's life, to put everything in doubt - so far as possible.
Rene Descartes, 1596-1650

Ich denke also bin ich.
Rene Descartes, 1596-1650

I ascribe to nature neither beauty, deformity, order or confusion.
It is only from the viewpoint of our imagination, that we say,
that things are beautiful or unsightly, orderly or chaotic.
Baruch Spinoza, 1632-1677

If I have seen farther, it is by standing on the shoulders of giants.
Sir Isaak Newton, 1642-1727

I don't know what I may seem to the world,
but as to myself,I seem to have been only as a boy playing on the sea-shore,
and diverting myself in now and then
finding a smoother pebble or a prettier shell than ordinary,
whilst the great ocean of truth lay all undiscovered before me.
Sir Isaak Newton, 1642-1727

The progress of rivers to the sea is not as rapid as that of man to error.
Voltaire,1694-1778

When a mathimatician engaged in investigating physical actions and results has arrived at his conclusions, may they not be expressed in common language as fully, clearly, and definitely as in mathematical formulae ?
M. Faraday,1791-1867, letter to JC Maxwell

The second law of thermodynamics has the same degree of truth
as the statement that if you throw a tumberfull of water into the sea,
you cannot get the same tumberfull of water out again.
JC Maxwell, 1831-1879, letter to Lord Raylight

Mathematics is the art of giving the same name to diffrent things.
Henri Poincare, 1854-1912

It is by logic that we prove, but by intuition that we discover.
Henri Poincare, 1854-1912

Man kann sich ohne Schwierigkeiten einen Geisteszustand vorstellen, indem das Nacheinader der Dinge nicht räumlich stattfindet, sondern nur in der Zeit, wie zum Beispiel eine Abfolge von Tönen in der Musik. Für ein solches Bewußtsein ist das Begreifen der Wirklichkeit musikalisch und die pythagoreische Geometrie kann in ihr keine Bedeutung haben.
Die Wirklichkeit des papier ist vollkommen verschieden von der Wirklichkeit der Literatur. Für den Geist der Motte, die das Papier verzehrt, existiert die Literatur überhaupt nicht. Für den menschlichen Geist hingegen hat die Literatur einen größeren Wahrheitswert als das Papier. Ähnlich kann eine Wahrheit, die keinen sinnlich wahrnehmbaren Bezug zum menschlichen Bewußtsein hat, für uns Menschen nicht existieren.
Rabindranath Tagore, 1861-1941, Erstes Gespräch mit Albert Einstein, 14.7.1930, "Über die Natur der Wirklichkeit

Die Befreiung unsere physischen Natur erlangen wir durch Gesundheit,
die unseres sozialen Wesens durch Gerechtigkei,
die unseres Selbst durch Liebe.
Rabindranath Tagore, 1861-1941

The view of time and space, which I have to set forth, have their foundationsin experimental physics. Therin is their strenght. Theit tendency is revolutionary. From henceforth space in itself and time in itself sink ti mere shadows, and only a kind of union of the two preserves an independent existence.
Hermann Minkowski, 1864-1909

Here is a portrait of a man eight years old, another at fifteen, another at seventeen, another at twenty three and so on.All these are eveidently sections, as it were, Three dimensional representations of his four dimensional being, which is a fixed and unalterable thing.
HG Wells, 1866-1946, The Time Machine

There is no science without fancy, nor art without facts.
Vladimir Nabakov

Gott gebe mir die Gelassenheit, Dinge hinzunehmen, die ich nicht ändern kann,
den Mut die Dinge zu ändern, die ich ändern kann,
und die Weisheit, das eine vom anderen zu unterscheiden.
chinesische Weisheit

If you think you are too small to make a difference,
you have never spent the nicht with a mosquito.
The Dalai Lama

It is also a good rule not to put too much evidence to experimental results,
until they have been confirmed by theory.
Sir Arthur Eddington, 1882-1944

A living organism has the astonishing gift of concentrating a strem of order on itself
and thus escape decay into atomic chaos.
Erwin Schrödinger, 1887-1961

Some physicist would prefer to come back to the idea
of an objective real world whose smallest parts exist objectively
in the same sense as stones or trees exist independently of whether we observe them.
This, however, is impossible.
Werner Heisenberg, 1901-1976

Experiments are only means of knowledge at our disposal,
the rest is poety, imagination.
Max Planck, 1858-1947

Democracy is the recurrent suspicion that more than half of the people are right more than half of the time.
E B White

It is what you learn,
after you know it all,
that counts.
Unknown author

Everything starts as somebody's daydream.
L Niven

Wisdom is knowing what to do,
skill is knowing how to do it,
and virtue is not doing it.
Unknown author

A sucessful marriage requires falling in love many times,
always with the same person.
M. Mc Laughlin