声音不会因为细小，就听不见；行为不会因为隐蔽，就看不见。点评：东汉太守杨震曾经举荐秀才王密为昌邑令。一次，杨震路过昌邑。王密夜里携带十斤黄金前来拜见。杨振对王密说：「我之前以为很了解你，可现在却疑惑了，为什么呢？」杨密一听，知道杨震不想收下黄金，就说：「更深人静，没人知道啊。」杨震反驳道：「天知，神知，我知，你知。怎么会是没人知道呢？」
The only way to learn mathematics is to do mathematics.
The Internet is for everyone.
The best fertilizer for any piece of land is the footprints of its owner.
在计算学习领域，关键不仅在于学习，而在于高效地学习。
Success is not the key to happiness. Happiness is the key to success. If you love what you are doing, you will be successful.
Hard work and dedication are the keys to longevity in this business.