If you believe in existence, you will refuse to be a hero!

When we trust ourselves, ascents become descents, difficulties turn into easinesses, rocks transform into sands and swords into melting candles!

Future is an enemy territory; we cannot know what will happen to us over there!

When you reached the summit, you will see that you are still tiny!

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.

God is unknown; anything we said about God has no validity, because our knowledge about Him is zero, absolutely nothing!

When the sky is totally covered by the dark clouds, be strong enough to see the bright stars beyond them!