The most dangerous phrase in manufacturing is 'we've always done it this way'.

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.

The end of law is not to abolish or restrain, but to preserve and enlarge freedom.

"The beauty of literature is that it allows us to live a thousand lives in one."

健康的心灵和健康的身体同等重要。