Don't bother just to be better than your contemporaries or predecessors. Try to be better than yourself.
When in doubt tell the truth.
It helps if you have a bad memory too!
"Its like your batteries get low, and you need to charge them on someone elses story."
"You know you're getting old when you stoop to tie your shoelaces and wonder what else you could do while you're down there."
-- George Burns
"Grown-ups never understand anything for themselves, and it is tiresome for children to be always and forever explaining things to them."
-- Antoine de Saint-Exupery