Passion

In everyone's life, at some time, the inner fire of the being goes out. It is then burst into flame by an encounter with another human being. We should all be thankful for those people who rekindle the inner spirit.

--Albert Schweitzer, philosopher, physician, musician, Nobel laureate (1875-1965)

Persuasion

If you would persuade, you must appeal to interest rather than intellect.

--Benjamin Franklin, American statesman and inventor