Whoever is able to anger you is able to control you on anger.

Lamine Pearlheart

You may have a Rolls-Royce, a big house, a lovely garden, a title, a degree, but inwardly life is an everlasting battle.

Jiddu Krishnamurti

Absorb what is useful, reject what is useless, add what is specifically your own.

Bruce Lee

A person should always [take care] not cast his thoughts backwards [to the past], for his eyes are placed on his face and not his back.

Maimonides

There is no disaster greater than not being content; There is no misfortune greater than being covetous.

Lao Tzu

The manager asks how and when; the leader asks what and why.

Warren Bennis