It is easy to be tolerant of the principles of other people if you have none of your own.

The world is like a mirror; frown at it, and it frowns at you. Smile and it smiles, too.

Science is the key which unlocks the storehouses of nature.

Without doubt the greatest injury of all was done by basing morals on myth. For, sooner or later, myth is recognized for what it is, and disappears. Then morality loses the foundation on which it has been built.

A difficulty for every solution.

The house of Lords must be the only institution in the world which is kept efficient by the persistent absenteeism of most of its members.

An autobiography is the story of how a man thinks he lived.