Silence is argument carried out by other means.

The only service a friend can really render is to keep up your courage by holding up to you a mirror in which you can see a noble image of yourself.

Leadership is about vision and the ability to inspire others.

文明的伟大进步，无论是在建筑、绘画、科学、文学、工业还是农业领域，都从未来自中央集权的政府。

I like things that are simple and easy to understand.

True leadership means taking responsibility even when things go wrong.