Optimist: a proponent of the doctrine that black is white.

Optimist: a proponent of the doctrine that black is white.

An optimist is a guy that has never had much experience.

An optimist is a guy that has never had much experience.

Prosperity is a great teacher; adversity a greater.

Prosperity is a great teacher; adversity a greater.

You cannot acquire experience by making experiments. You cannot create experience. You must undergo it.

You cannot acquire experience by making experiments. You cannot create experience. You must undergo it.

Experience is the name every one gives to their mistakes.

Experience is the name every one gives to their mistakes.

You can't step twice into the same river.

You can't step twice into the same river.

Nobody can go back and start a new beginning, but anyone can start today and make a new ending.

Nobody can go back and start a new beginning, but anyone can start today and make a new ending.

Everyone is a prisoner of his own experiences. No one can eliminate prejudices - just recognize them.

Everyone is a prisoner of his own experiences. No one can eliminate prejudices - just recognize them.

For myself I am an optimist--it does not seem to be much use being anything else.

For myself I am an optimist--it does not seem to be much use being anything else.