A difficulty for every solution.

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

Knowledge, to become Wisdom, needs Judgment.

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

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.

It takes two to make a marriage a success and only one to make it a failure.

Science is the key which unlocks the storehouses of nature.