True, the lion is a mighty, noble animal, but it is an animal nevertheless...

The Earth loves us through its gravity and this love is ideal: It neither sticks to us nor let us to fly to the unknown darkness!

If a truth will be accepted with a million repetitions, repeat it million times!

We are all the people we knew; all the books we read; all the roads we travelled; all the mistakes we made; all the dreams we dreamed! We are... We are all of them!

History of science is a relay race, my painter friend. Copernicus took over his flag from Aristarchus, from Cicero, from Plutarch; and Galileo took that flag over from Copernicus.

If there is moonlight outside, don't stay inside! If there is candle inside, don't stay outside! Moments of romanticism are too valuable to be missed!

A poor fisherman who knows the beauties of the misty mornings is much richer than a wealthy man who sleeps till noon in his palace!