Mathematics is not about numbers, equations, computations, or algorithms: it is about understanding.
数学不是关于数字、方程、计算或算法的：它是关于理解的。
JUSTICE. Wrong none by doing injuries, or omitting the benefits that are your duty.
真正认真对待软件的人应该自己做硬件。
Live within your income and save so you can invest. Learn what you need to learn.
企业家精神的核心是创新，而创新的本质是冒险。