This magnificent butterfly finds a little heap of dirt and sits still on it; but man will never on his heap of mud keep still.

The artist appeals to that part of our being which is not dependent on wisdom; to that in us which is a gift and not an acquisition-and therefore, more permanently enduring. He speaks to our capacity for delight and wonder, to the sense of mystery surrounding our lives; to our sense of pity, and beauty and pain.

Do not talk to me of Archimedes' lever. He was an absent-minded person with a mathematical imagination. Mathematics commands my respect, but I have no use for engines. Give me the right word and the right accent and I will move the world.

One must explore deep and believe the incredible to find the new particles of truth floating in an ocean of insignificance.

All ambitions are lawful except those which climb upward on the miseries or credulities of mankind. All intellectual and artistic ambitions are permissible, up to and even beyond the limit of prudent sanity. They can hurt no one.

Here's the main page of motivational quotes, if you want a different topic. Gossip is what no one claims to like, but everybody enjoys.

Of all the inanimate objects, of all men's creations, books are the nearest to us for they contain our very thoughts, our ambitions, our indignations, our illusions, our fidelity to the truth, and our persistent leanings to error. But most of all they resemble us in their precious hold on life.