No power in society, no hardship in your condition can depress you, keep you down, in knowledge, power, virtue, influence, but by your own consent. William Ellery Channing
A hero is born among a hundred, a wise man is found among a thousand, but an accomplished one might not be found even among a hundred thousand men. Plato
Desperation is the raw material of drastic change. Only those who can leave behind everything they have ever believed in can hope to escape. William S. Burroughs
Be master of your petty annoyances and conserve your energies for the big, worthwhile things. It isn't the mountain ahead that wears you out - it's the grain of sand in your shoe. Robert Service