The past beats inside me like a second heart.

每一项科学发现都应该以其对人类福祉的贡献来衡量。

At the risk of seeming ridiculous, let me say that the true revolutionary is guided by a great feeling of love.

"The dead are always with us, and we are always with them."

在他们烧书的地方，他们最终会烧人。