You ought to choose both physician and friend, not the most agreeable, but the most useful.

Remember that you are an actor in a drama of such sort as the Author chooses: if short, then in a short one; if long, then in a long one. If it be His pleasure that you should enact a poor man, or a cripple, or a ruler, or a private citizen, see that you act it well. For this is your business, to act well the given part. But to choose it belongs to Another.

Nature hath given men one tongue but two ears, that we may hear from others twice as much as we speak.

Not every difficult and dangerous thing is suitable for training, but only that which is conducive to success in achieving the object of our effort.

The materials are indifferent, but the use we make of them is not a matter of indifference.

Wherever any one is against his will, that is to him a prison.

If someone irritates you, it is only your own response that is irritating you. Therefore, when anyone seems to be provoking you, remember that it is only your judgment of the incident that provokes you. -