The most damaging prejudice consists of banning any kind of investigation of nature.

No wise combatant underestimates their antagonist.

Whoever would do good in the world, ought not to deal in censure. We ought not to destroy, but rather construct.

Everything we do has a result. But that which is right and prudent does not always lead to good, nor the contrary to what is bad.

I am the spirit that negates. And rightly so, for all that comes to be Deserves to perish wretchedly; 'Twere better nothing would begin. Thus everything that that your terms, sin, Destruction, evil represent— That is my proper element.

The most difficult thing is what is thought to be the simplest; to really see the things which are before your eyes.

Woe to him who would ascribe something like reason to Chance, and make a religion of surrendering to it.