To have meaning, our lives require both passion and purpose. A life without passion is like a furnace without fuel, and without purpose, like a ship without a rudder.

When we're young, everything is possible; when we're old, possibilities are everything.

If you are completely comfortable with your life, and feeling absolutely no anxiety, then you are probably coasting, and not really growing.

Never confuse the importance of things with things of importance.

We tend to see our character flaws as simple defects, and the simple defects of others as character flaws.

Adolescence is a kind of slavery cleverly disguised as freedom.

The fastest way to lose an argument is to lose your temper.