Content makes poor men rich; Discontent makes rich men poor.

Content makes poor men rich; Discontent makes rich men poor.

That which makes people dissatisfied with their condition, is the chimerical idea they form of the happiness of others.

That which makes people dissatisfied with their condition, is the chimerical idea they form of the happiness of others.

Restlessness and discontent are the necessities of progress.

Restlessness and discontent are the necessities of progress.

Discontent is the first step in the progress of a man or a nation.

Discontent is the first step in the progress of a man or a nation.

Discontent is the seed of ethics

Discontent is the seed of ethics

Discontent is the first necessity of progress.

Discontent is the first necessity of progress.

I used to think I had ambition . . . but now I'm not so sure. It may have been read more

I used to think I had ambition . . . but now I'm not so sure. It may have been only discontent. They're easily confused.

If necessity is the mother of invention, discontent is the father of progress.

If necessity is the mother of invention, discontent is the father of progress.

Who is not satisfied with himself will grow; who is not sure of his own correctness will learn many things.

Who is not satisfied with himself will grow; who is not sure of his own correctness will learn many things.