"You know you're in love when you can't fall asleep because reality is finally better than your dreams."

"Step with care and great tact And remember that Life's a Great Balancing Act Just never forget to be dexterous and deft And never mix up your right foot with your left."

"Don't cry because it's over. Smile because it happened."

"A person's a person, no matter how small."

"I speak for the trees, for the trees have no tongues."

"Adults are just obsolete children and the hell with them."

"For many are called, but few are chosen."

"There's nothing more exciting than science. You get all the fun of sitting still, being quiet, writing down numbers, paying attention. Science has it all."

"We can forgive a man for making a useful thing as long as he does not admire it. The only excuse for making a useless thing is that one admires it intensely. All art is quite useless."

"Man is the measure of all things."

"Praise is like sunlight to the human spirit: we cannot flower and grow without it."

"To live is the rarest thing in the world. Most people exist, that is all."