Mortals are easily tempted to pinch the life out of their neighbour's buzzing glory, and think that such killing is no murder.

One can say everything best over a meal.

Failure after long perseverance is much grander than never to have a striving good enough to be called a failure.

It’s rather a strong check to one’s self-complacency to find how much of one’s right doing depends on not being in want of money.

Iteration, like friction, is likely to generate heat instead of progress.

You must love your work, and not be always looking over the edge of it, wanting your play to begin. And the other is, you must not be ashamed of your work, and think it would be more honorable to you to be doing something else. You must have a pride in your own work and in learning to do it well.

Jews are not fit for Heaven, but on earth they are most useful.