The important thing is this: To be able at any moment to sacrifice what we are for what we could become.
--Charles Dubois

A life spent making mistakes is not only more honorable but more useful than a life spent in doing nothing.
--George Bernard Shaw

The pessimist sees difficulty in every opportunity. The optimist sees the opportunity in every difficulty.
--Winston Churchill

But the greatest danger of all would be to do nothing.
--John F. Kennedy