A clever person solves a problem. A wise person avoids it.

Put your hand on a hot stove for a minute, and it seems like an hour. Sit with a pretty girl for an hour, and it seems like a minute. That's relativity.

Speak only if it improves upon the silence.

Try to become not a man of success, but try rather to become a man of value.

The only way to do great work is to love what you do. If you haven't found it yet, keep looking. Don't settle. As with all matters of the heart, you'll know when you find it.

Management of many is the same as management of few. It is a matter of organization.