The only limit to our realization of tomorrow will be our doubts of today.

Happiness lies in the joy of achievement and the thrill of creative effort.

Put two or three men in positions of conflicting authority. This will force them to work at loggerheads, allowing you to be the ultimate arbiter.

The point in history at which we stand is full of promise and danger. The world will either move forward toward unity and widely shared prosperity - or it will move apart.