People are like the moon; they only show you one of their sides — Arthur Schopenhauer.

人就像月亮；他们只向你展示他们的一面——亚瑟·叔本华。

The philosopher Arthur Schopenhauer remarked that we can never know for sure who around us may, at any particular moment, be thinking of ending their own life.

哲学家阿瑟·叔本华说过，我们永远无法确定我们周围的谁会在任何特定时刻考虑结束自己的生命。

Along the way, the book meanders through string theory, the founding of quantum mechanics, Arthur Schopenhauer's philosophy and whether God exists.

一路上， 这本书蜿蜒穿过弦理论、 量子力学的创立、亚瑟· 叔本华的哲学以及上帝是否存在。

In the words  of the ancient philosopher Arthur Schopenhauer, 'Mostly it is loss that teaches us the  worth of things.' The day must come to an end to call it one.

正如古代哲学家亚瑟·叔本华所说， “大多时候，正是失去让我们懂得了事物的价值。 ” 这一天必须结束， 才能称之为一天。

In the words of the German pessimist  philosopher Arthur Schopenhauer: Boundless compassion for all living beings is  the surest and most certain guarantee of pure moral conduct, and needs no casuistry.

用德国悲观主义哲学家亚瑟·叔本华的话来说: 对所有生物的无限同情心是纯粹道德行为最可靠和最确定的保证, 不需要任何诡辩。