True science teaches, above all, to doubt and be ignorant.
The truth is that reason is the enemy of life.
Human beliefs, like all other natural growths, elude the barrier of systems.
What we believe to be the motives of our conduct are usually but the pretexts for it.
Faith which does not doubt is dead faith.
My aim is to agitate and disturb people. I'm not selling bread; I'm selling yeast.