Leadership is about making others better as a result of your presence and making sure that impact lasts in your absence.
The labor which it would require to make a single one of these guns by hand would exhaust the patience and perseverance of any ordinary workman.
不成熟的爱说:'我爱你因为我需要你。'成熟的爱说:'我需要你因为我爱你。'
记忆是一条咬自己尾巴的狗。
决定我们是否富有的,不是我们拥有的东西,而是我们没有也行的东西。
传统观念中影响人一生的五大因素。
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。