Combinatorics is the art of counting without counting.
释义:忍耐可以观察事物情理的变化,忍耐可以挫败奸邪的时机,忍耐可以保持刑罚奖赏的公正,忍耐可以积蓄威严品德的稳固。
To truly know the world, look deeply within your own being; to truly know yourself, take real interest in the world.