Success in any scientific career requires an unusual equipment of capacity, industry, and energy.

Our capacity to draw happiness from aesthetic objects or material goods in fact seems critically dependent on our first satisfying a more important range of emotional or psychological needs, among them the need for understanding, for love, expression and respect.

释义：广泛地学习，恳切地提问，从而增长知识；行为高尚，言语谨慎，从而修养自身。这是对学习与修养的重视。 

教导如何在没有确定性的情况下生活，但又不被犹豫所束缚，或许是哲学在我们这个时代，可以为学习它的人所做的主要事情。