Let us consider, first, the need for a tough mind, characterized by incisive thinking, realistic appraisal, and decisive judgment. The tough mind is sharp and penetrating, breaking through the crust of legends and myths and sifting the true from the false.

From his neck down a man is worth a couple of dollars a day, from his neck up he is worth anything that his brain can produce.

There's a phrase in Buddhism, 'Beginner's mind.' It's wonderful to have a beginner's mind.

Be devoted to conscientiousness. Guard your own mind.

More than those who hate you, more than all your enemies, an undisciplined mind does greater harm.

And deep in my heart. The answer, it was in me. And I made up my mind. To define my own destiny.