Adversity does not make us frail; it only shows us how frail we are.

If you trust, you will be disappointed occasionally, but if you mistrust, you will be miserable all the time.

When arguing with a fool, make sure the opponent isn't doing the exact same thing.

Those who deny freedom to others deserve it not for themselves.

You can’t make a weak man strong by making a strong man weak

My father, at the death of his father, was but six years of age; and he grew up, literally without education.

If you once forfeit the confidence of your fellow citizens, you can never regain their respect and esteem. It is true that you may fool all of the people some of the time; you can even fool some of the people all of the time; but you can't fool all of the people all of the time. -Speech at Clinton, Illinois, September 8, 1854.