Better to be safe than to be sorry' is a remark of value only when these are the actual alternatives.

Sometimes a pessimist is only an optimist with extra information.

Materialism, attachment to things of the world, includes pride. Many religious people suffer from pride: taking pleasure or even delight in being good, or religious.

If you want to make an ordinary man happy, or think that he is happy, give him money, power, flattery, gifts, honours. If you want to make a wise man happy - improve yourself!

You need not wonder whether you should have an unreliable person as a friend. An unreliable person is nobody's friend.

If you can turn a murderer into a mere thief, you are making progress.

There is a Persian proverb: 'To test that which has been tested is ignorance.' To try to test something without the means of testing is even worse.