Tom Lehrer — American Musician born on April 09, 1928,

Thomas Andrew Lehrer is an American singer-songwriter, satirist, pianist, and mathematician. He has lectured on mathematics and musical theater. He is best known for the pithy, humorous songs he recorded in the 1950s and '60s... (wikipedia)

I went from adolescence to senility, trying to bypass maturity.
Life is like a piano. What you get out of it depends on how you play it.
Think as you work, for in the final analysis, your worth to your company comes not only in solving problems, but also in anticipating them.
Be prepared, and be careful not to do your good deeds when there's no one watching you.
Life is like a sewer: what you get out of it depends on what you put into it.