The man who is happy is fulfilling the purpose of existence
What does reason know? Reason only knows what it has succeeded in learning.
If you want to overcome the whole world, overcome yourself.
But I always liked side-paths, little dark back-alleys behind the main road- there one finds adventures and surprises, and precious metal in the dirt.
The man who has a conscience suffers whilst acknowledging his sin. That is his punishment.
If he's alive, everything is in his power! Whose fault is it that he doesn't understand that?