The only true source of politeness is consideration.

The proverb answers where the sermon fails.

He who would acquire fame must not show himself afraid of censure. The dread of censure is the death of genius.

Stagnation is something worse than death. It is corruption, also.

Genius is the very eye of intellect and the wing of thought; it is always in advance of its time, and is the pioneer for the generation which it precedes.

It should console us for the fact that sin has not totally disappeared from the world, that the saints are not wholly deprived of employment.

I believe that economists put decimal points in their forecasts to show they have a sense of humor.

The dread of criticism is the death of genius.

Our true acquisitions lie only in our charities - we gain only as we give.

The true law of the race is progress and development. Whenever civilization pauses in the march of conquest, it is overthrown by the barbarian.

It is a bird-flight of the soul, when the heart declares itself in song. The affections that clothe themselves with wings are passions that have been subdued to virtues.

One might almost define intelligence as the level at which an aware organism demands, 'What's in it for me?

Hope is the foundation for which all successful goals are built upon.

Van, Van, we’re only simple, fallible mortals - we aren’t saints, we aren’t angels - we fall on our faces and make errors and sometimes people die of them - sometimes people we love dearly -

Many get the repute of being witty but thereby lose the credit of being sensible. Jest has its little hour, seriousness should have all the rest.

What has made America the wealthiest, most successful country on Earth historically has been our commitment to education.

... some important factor doesn't lose its "share of force" just because some "expert" can better measure other types of force.

I did it at night because I loved it. I never did it to make money, as a job. I just did it because I had to.

If country life be healthful to the body, it is no less so to the mind.

As yet, the Negroes themselves do not fully appreciate these old slave songs.

This criticism is ridiculous. The twenty-five hundreth anniversary celebration cost me less than the inauguration of each new president of the United States.