The worth of every conviction consists precisely in the steadfastness with which it is held. What helps me to go forward is that I stay receptive. I feel that anything can happen.
Cooperation is to humans what height is to giraffes and speed is to cheetahs.
Man never made any material as resilient as the human spirit. No man can think clearly when his fists are clenched. He who laughs, lasts. Knowledge comes, but wisdom lingers. Conditions are never just right.