Being busy does not always mean real work. The object of all work is production or accomplishment and to either of these ends there must be forethought, system, planning, intelligence, and honest purpose, as well as perspiration. Seeming to do is not doing

I know that I am intelligent, because I know that I know nothing.

There is nothing wrong with America that faith, love of freedom, intelligence, and energy of her citizens cannot cure.

Intelligence plus character - that is the goal of true education.

If men can develop weapons that are so terrifying as to make the thought of global war include almost a sentence for suicide, you would think that man's intelligence and his comprehension... would include also his ability to find a peaceful solution.

When your intelligence don't tell you something ain't right, your conscience gives you a tap you on the shoulder and says 'Hold on'. If it don't, you're a snake.