Great people are not people who have never fallen down. Greatness has to do with how you get back up.

Never let the things you can't do, stop you from doing what you can.

Our energy is in proportion to the resistance it meets.

Anyone who proposes to do good must not expect people to roll stones out of his way, but must accept his lot calmly if they even roll a few more upon it.

Ever tried. Ever failed. No matter. Try again. Fail again. Fail better.—Samuel Beckett, Worstward Ho (1983)

Start by doing what is necessary, then what is possible, and suddenly you are doing the impossible.

Will-power, he saw, was not a thing one could suddenly decree oneself to possess. It must be built up imperceptibly and laboriously out of a succession of small efforts to meet definite objects, out of the facing of daily difficulties instead of cleverly eluding them, or shifting their burden on others.

ought to be seated on an eminence. If it be opened through virtue, let it be remembered, too, that virtue is never tried but by some difficulty and some struggle.

Anyone who proposes to do good must not expect people to roll stones out of his way, but must accept his lot calmly, even if they roll a few stones upon it.

Success is walking from failure to failure with no loss of enthusiasm.

The history of liberty is a history of resistance.

If you've ever been in a position in your life where you just can't take any more, you just have to get through the next second, and the next second after that.