I have no boss but my conscience.

A man who never lies must have green blood in his veins, or blue or yellow, but definitely not red!

There is no need to upset about the fact that our ancestors were monkeys, because they are capable chaps! Don't be sad about the truth, just understand the truth!

Roald Amundsen says that 'Adventure is just bad planning.' In that case, friends, let us make more bad planning!

An ethical atheist is infinitely more valuable than an unethical pious! What matters is whether you are ethical or not; your beliefs are utterly trivial beside this matter!

Talking wisely to the ignorant is throwing precious seeds to the desert sands!

Cowards cannot pass beyond the walls or beyond the wire fences! For them, frontiers are always the end of the road!