I have no friends and no enemies -- only competitors.

The antidote for fifty enemies is one friend.

A common danger unites even the bitterest enemies

We must free ourselves of the hope that the sea will ever rest. We must learn to sail in high winds.

Don't sleep too much. If you sleep 3 hours less each night for a year, you will have an extra month and a half to succeed in.

The secret to success is to know something nobody else knows.