A mathematician is a device for turning coffee into theorems.
International politics is a ruthless and dangerous business, and it is foolish to expect states to behave according to moral principles.
向更平等的世界转变将一个人一个人地发生。随着每一位女性向前一步,我们就更接近真正平等的更大目标。
心要安放在身体里,念头不越出本分,行为不超越规矩。
大道从虚无中产生一气,又从一气中分化出阴阳。
每个矿工的贡献对于保持灯火通明至关重要。