The worst thing you can possibly do is worrying and thinking about what you could have done. — Georg Christoph Lichtenberg. German scientist and satirist (1742–1799)
Everyone is a genius at least once a year. The real geniuses simply have their bright ideas closer together.
What a blessing it would be if we could open and shut our ears as easily as we open and shut our eyes!
One's first step in wisdom is to question everything - and one's last is to come to terms with everything.