He who lives by the crystal ball soon learns to eat ground glass.

If you have to forecast, forecast often.

When you hire people that are smarter than you are, you prove you are smarter than they are.

Ask five economists and you'll get five different answers - six if one went to Harvard.

I am indeed rich, since my income is superior to my expense, and my expense is equal to my wishes.

Business, that's easily defined; it's other people's money.