纯粹自然状态的条件...是每个人对每个人的战争状态。
The condition of mere nature...is a condition of war of everyone against everyone.
It is human nature to think wisely and act foolishly.
We come nearest to the great when we are great in humility。
快乐唔系拥有得多，而系计较得少。
我们应该忘记小的效率，大约97%的时间：过早的优化是万恶之源。