The ultimate situations - death, chance, guilt, and the uncertainty of the world - confront man with the reality of his existence.
消灭一个错误，其贡献等同于、有时甚至超过建立一条新真理或新事实。
Why should a dog, a horse, a rat, have life, and thou no breath at all?
Reading furnishes the mind only with materials of knowledge; it is thinking that makes what we read ours.
A sustainable coal industry is possible if we commit to the right technologies.
