The only real happiness comes from squandering ourselves for a purpose.
过去是一个陌生的国度；他们在那里做事的方式不同。
Nonviolence is a powerful and just weapon which cuts without wounding and ennobles the man who wields it.
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。
We need to reshape our own perception of how we view ourselves. We have to step up as women and take the lead.