The universe doesn't allow perfection.

Stephen Hawking

Lock up your libraries if you like; but there is no gate, no lock, no bolt that you can set upon the freedom of my mind.

Virginia Woolf

Injustice never rules forever.

Seneca

That man is richest whose pleasures are cheapest.

Henry David Thoreau

Give all the power to the many, they will oppress the few. Give all the power to the few, they will oppress the many.

Alexander Hamilton

If we examine our thoughts, we shall find them always occupied with the past and the future.

Blaise Pascal