Don't get involved in partial problems, but always take flight to where there is a free view over the whole single great problem, even if this view is still not a clear one.
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.