传记的挑战不在于发现事实 - 而在于发现事实背后的意义。
History is not just the story of the past, but a mirror to the present and a window to the future.
穷人并不懒惰;他们只是被困在一个让他们很难摆脱贫困的系统中。
The world is a book, and those who do not travel read only one page.
The essence of intelligence is the ability to adapt to new situations.
物理理论的美不仅在于其数学的优雅,还在于其解释和预测现象的能力。