数学中最重要的是理解概念,而不仅仅是记忆公式。
The beauty and mystery of this world only emerges through affection, attention, interest and compassion.
光的理论实际上是物理学两大理论的交汇点,即粒子理论和波动理论。
真正的成功是通过你对他人产生的积极影响来衡量的。
Grow old along with me! The best is yet to be.
It's not about how hard you hit. It's about how hard you can get hit and keep moving forward.