Good judgment comes from experience, and experience comes from bad judgment.
We make a living by what we get, we make a life by what we give.
You should not live one way in private, another in public.
The secret of greatness is simple: do better work than any other man in your field - and keep on doing it.
Each body has its art...
Not everything that can be counted counts, and not everything that counts can be counted.
The meeting of two personalities is like the contact of two chemical substances: if there is any reaction, both are transformed.