The advancement and diffusion of knowledge is the only guardian of true liberty.
Happiness is not an ideal of reason, but of imagination.
Do not dwell in the past, do not dream of the future, concentrate the mind on the present moment.
Turn your wounds into wisdom.
You only live once, but if you do it right, once is enough.
The unexamined life is not worth living.
Life is what happens when you're busy making other plans.
In the end, it's not the years in your life that count. It's the life in your years.
The future belongs to those who believe in the beauty of their dreams.
Hard work beats talent when talent doesn't work hard.