I want to do a certain thing in the world, and I am going to do it with unwavering concentration. I am concerning myself with only one essential thing: to set man free. I desire to free him from all cages, from all fears, and not to found religions, new sects, nor to establish new theories and new philosophies.

Now, as a nation, we don't promise equal outcomes, but we were founded on the idea everybody should have an equal opportunity to succeed. No matter who you are, what you look like, where you come from, you can make it. That's an essential promise of America. Where you start should not determine where you end up.

The human contribution is the essential ingredient. It is only in the giving of oneself to others that we truly live.

Secret operations are essential in war; upon them the army relies to make its every move.

Mere parsimony is not economy.Expense, and great expense, may be an essential part in true economy.