Don't let what you can't do interfere with what you can do.
Neither a wise man nor a brave man lies down on the tracks of history to wait for the train of the future to run over him.
To accomplish great things we must not only act, but also dream, not only plan, but also believe.
We know the good, we apprehend it clearly, but we can't bring it to achievement.
The character of a people may be ruined by charity.