Logic may indeed be unshakeable, but it cannot withstand a man who is determined to live.

The Trial
Fallacious and misleading arguments are most easily detected if set out in correct syllogistic form
Pure logic is the ruin of the spirit
The want of logic annoys. Too much logic bores. Life eludes logic, and everything that logic alone constructs remains artificial and forced
Logic is the art of thinking and reasoning in strict accordance with the limitations and incapacities of the human misunderstanding
Logic is like the sword - those who appeal to it, shall perish by it


On Anger: "For every minute you remain angry, you give up sixty seconds of peace of mind."
On Destiny: "Our destiny exercises its influence over us even when, as yet, we have not learned its nature: it is our future that lays down the law of our today."
Human, All Too Human
On Friendship: "A crowd is not company; and faces are but a gallery of pictures; and talk but a tinkling cymbal, where there is no love."