Robert A. Heinlein

People with opinions just go around bothering each other.

Robert A. Heinlein

Progress isn’t made by early risers. It’s made by lazy men trying to find easier ways to do something.

Robert A. Heinlein

Responsibility cannot be shared.

Robert A. Heinlein

Since when was an emotional argument won by logic?

Robert A. Heinlein

Some people insist that ‘mediocre’ is better than ‘best.’ They delight in clipping wings because they themselves can’t fly. They despise brains because they have none.

Robert A. Heinlein

The intelligent fights only when he must and never for sport.

Robert A. Heinlein

The right to figure things out for yourself is the only true freedom everyone shares. Go use it.

Robert A. Heinlein

The thing to do with a silly remark is to fail to hear it.

Robert A. Heinlein

There are no dangerous weapons; there are only dangerous men.

Robert A. Heinlein

To get anywhere, or even to live a long time, a man has to guess, and guess right, over and over again, without enough data for a logical answer.

Robert A. Heinlein