Resting on your laurels is as dangerous as resting when you are walking in the snow. You doze off and die in your sleep.
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.