Philosophy is like trying to open a safe with a combination lock: each little adjustment of the dials seems to achieve nothing, only when everything is in place does the door open.
Logic is not a body of doctrine, but a mirror-image of the world. Logic is transcendental.
The world is the totality of facts, not of things.
Whereof one cannot speak, thereof one must be silent.
Our greatest stupidities may be very wise.
If people never did silly things nothing intelligent would ever get done.