Virtue is more to be feared than vice, because its excesses are not subject to the regulation of conscience.
It always seems impossible until it's done.
孔子说:“君子帮助人取得成绩,不促使人陷入失败。小人相反。”
科学的进步不是一条直线,而是一个螺旋,总是在前进,又总是回到起点。
The greatest happiness is to transform one’s feelings into action.
It is love, not reason, that is stronger than death.