Silence is a source of great strength. Laozi
It does not take much strength to do things, but it requires great strength to decide on what to do. Elbert Hubbard
...as man under pressure tends to give in to physical and intellectual weakness, only great strength of will can lead to the objective. Carl von Clausewitz
Woman's great strength lies in being late or absent. Presence immediately reveals the weak points of our beloved; when she is absent she become one of the sylph-like figures of our adolescence whom we endowed with perfection. André Maurois
Compassion is not a dirty word. Compassion is not a sign of weakness. In my view, compassion in politics and in public policy is in fact a hallmark of great strength. It is a hallmark of a society which has about it a decency which speaks for itself. Kevin Rudd
He who has great strength should use it lightly. Latin Proverb