success: Successful people are not gifted; they just work hard, then succeed on purpose.

nature: There are three principal means of acquiring knowledge... observation of nature, reflection, and experimentation. Observation collects facts; reflection combines them; experimentation verifies the result of that combination.

motivational: I quit being afraid when my first venture failed and the sky didn't fall down.

motivational: Nothing lasts forever. Not even your troubles.

funny: My fake plants died because I did not pretend to water them.