History is a bath of blood.
In order to disprove the assertion that all crows are black, one white crow is sufficient.
To spend life for something which outlasts it.
The great use of life is to spend it for something that will outlast it.
A great idea goes through three stages on its way to acceptance: 1) it is dismissed as nonsense, 2) it is acknowledged as true, but insignificant, 3) finally, it is seen to be important, but not really anything new.
No decision is, in itself, a decision.