The biggest different between money and time: you always know how much money you have but you never know how much time you have.

The ultimate source of happiness is within us.

When 'I' is replaced by 'We', even 'illness' turns into 'Wellness'.

Worry retards reaction and makes clear-cut decisions impossible.

Two things are infinite: the universe and human stupidity.

I have done my best: that is about all the philosophy of living one needs.

The secret of success is to do the common things uncommonly well.