It is impossible to live without failing at something, unless you live so cautiously that you might as well have not lived at all, in which case you fail by default.
JK Rowling

Every area of trouble gives out a ray of hope, and the one unchangeable certainty is that nothing is certain or unchangeable.
John F. Kennedy

You have not converted a man because you have silenced him.
John Morley

A good constitution is infinitely better than the best despot.
Macaulay