Robert A. Heinlein

Avoid making irrevocable decisions while tired or hungry.

Robert A. Heinlein

Being privileged to work hard for long hours at something you think is worth doing is the best kind of play.

Robert A. Heinlein

Courage is the complement of fear. A man who is fearless cannot be courageous.

Robert A. Heinlein

Die trying’ is the proudest human thing.

Robert A. Heinlein

Don’t ever become a pessimist… a pessimist is correct oftener than an optimist, but an optimist has more fun, and neither can stop the march of events.

Robert A. Heinlein

First you must learn to control your self. The rest follows. Blessed is he who knows himself and commands himself, for the world is his and love and happiness and peace walk with him wherever he goes.

Robert A. Heinlein

Humans hardly ever learn from the experience of others. They learn – when they do, which isn’t often – on their own, the hard way.

Robert A. Heinlein

I did the only really brave thing I have ever done in my life: I inched forward.

Robert A. Heinlein

I’ve been afraid so many times that I am no longer scared to be afraid again. What can’t be cured must be endured.

Robert A. Heinlein

It is impossible for anyone to be responsible for another person’s behavior. The most you or any leader can do is to encourage each one to be responsible for himself.

Robert A. Heinlein