Wars are the strongest evidence for the claim that man is still a wild animal.

Without curiosity, all doors remain closed!

If your selfish goal will be useful to humanity, then let your selfish goal be triumphant!

If you are not lucky enough, you can't reach the future! You might be very intelligent, you might be very talented and a very good planner, but you still need 'luck' to reach tomorrow, you still need to be lucky to reach the future!

The universe does not have a purpose, but we do have! Our purpose is to re-shape this purposeless universe in a way that it will not be able to kill us!

Greatness is to stay humble when the whole world calls you great!

Dogs are happy with few things because they have already observed man who is unhappy with many things!