最好的书是挑战你的书。
The best books are those that challenge you.
"I love the competition. I love the fight."
The older one grows, the more one likes indecency.
To feel much for others and little for ourselves； to restrain our selfishness and exercise our benevolent affections， constitute the perfection of human nature.
Inner peace is the greatest wealth.
孔子说：“对于不仁的人，礼法有何用？音乐有何用？”