Once you agree upon the price you and your family must pay for success, it enables you to ignore the minor hurts, the opponent's pressure, and the temporary failures.
Vince Lombardi
Where love rules, there is no will to power, and where power predominates, love is lacking. The one is the shadow of the other.
Carl Jung, 'On the Psychology of the Unconciousness', 1917
What would life be without arithmetic, but a scene of horrors?