The eyes of others our prisons; their thoughts our cages.

数学不是关于数字、方程、计算或算法的：它是关于理解的。

Every improvement in the circumstances of the society tends either directly or indirectly to raise the real rent of land, to increase the real wealth of the landlord, his power of purchasing the labour, or the produce of the labour of other people.

做出伟大工作的唯一方法是热爱你所做的事情。

I'm the reason your sun won't shine.