The whole conviction of my life now rests upon the belief that loneliness, far from being a rare and curious phenomenon, peculiar to myself and to a few other solitary men, is the central and inevitable fact of human existence.

Leadership isn’t about being liked; it’s about getting results.

The mind is divided into parts that sometimes conflict. Like a rider on the back of an elephant, the conscious, reasoning part of the mind has only limited control over the automatic, emotional part.

Every man's own satisfaction is the centre of all that he looks at.

"In the end, we will remember not the words of our enemies, but the silence of our friends."