A good laugh and a long sleep are the best cures in the doctor's book.
Irish proverb

There are 10^11 stars in the galaxy. That used to be a huge number. But it's only a hundred billion. It's less than the national deficit! We used to call them astronomical numbers. Now we should call them economical numbers.
Richard Feynman

I was born not knowing and have had only a little time to change that here and there.
Richard Feynman