To one man a stream is so much water-power, to another a rendezvous for lovers.

Books minister to our knowledge, to our guidance, and to our delight, by their truth, their uprightness, and their art.

Science is the systematic classification of experience.

Originality is independence, not rebellion; it is sincerity, not antagonism.

It is unhappily true that much insincere Literature and Art, executed solely with a view to effect, does succeed by deceiving the public.

No man ever made a great discovery without the exercise of the imagination.

We must never assume that which is incapable of proof.

The true function of philosophy is to educate us in the principles of reasoning and not to put an end to further reasoning by the introduction of fixed conclusions.

Insincerity is always weakness; sincerity even in error is strength.

To write much, and to write rapidly, are empty boasts. The world desires to know what you have done, and not how you did it.

Good writers are of necessity rare.

Wherever you are, be there with love. Be there with compassion, kindness, and gratitude. Smile and show you care.

we compose our life in stories we tell ourselves

I try to walk around without being noticed but I can’t help attracting attention with my pink Mohawk, black clothing and steel toes, and often I’m with Holly and we’re both tall and arrogant.

In Haiti you had the Duvaliers for 29 years and they were very well supported by the United States.

Let the famous not denounce fame. Far from being empty and meaningless, it fills those it touches with divine power.

Getting you a date to prom is so hard that the hypothetical idea itself is used to cut diamonds.

If you are opening a play, a play that's really about something, a play that's really about ideas, you have to find a way to sell that play.

The scientific world is to be less threatening than was feared. It is to made safe for human beings. And the way to make it safe is to reflect on the foundation of knowledge.

Thought is the parent of the deed.