Cogito, ergo sum. (I think, therefore I am.)
“We are what we think. All that we are arises with our thoughts. With our thoughts, we make the world.”
“People don't buy what you do; they buy why you do it.”
“Love is of all passions the strongest, for it attacks simultaneously the head, the heart and the senses.”
“We must accept finite disappointment, but never lose infinite hope.”
“People demand freedom of speech as a compensation for the freedom of thought which they seldom use.”
“Beware the barrenness of a busy life.”