唯一能阻止你的人是你自己。
A mathematician is a maker of patterns, like a painter or a poet.
The historian must be impartial, but not indifferent.
小小的善举比你可能预期的更能提升你的情绪。
自由民主在世界范围内的传播并非不可避免,但它是最有可能的结果。