无产阶级运动是广大多数人的自觉、独立的运动，是为了广大多数人的利益。
The proletarian movement is the self-conscious, independent movement of the immense majority, in the interest of the immense majority.
你无法改变周围的人，但你可以选择与谁为伍。
Success is measured not just by profit, but by the positive impact we leave behind.
学习数学的最好方法就是做数学。