If it doesn't add value, it's waste.
Success is a matter of adjusting one's efforts to obstacles and one's abilities to a service needed by others.
To be good is not enough; a man must be good for something
If there is one thing which I would banish from the earth it is fear.
The only true test of values, either of men or of things, is that of their ability to make the world a better place in which to live.
The short successes that can be gained in a brief time and without difficulty, are not worth much.