You must be filled with expectancy. You must be awash in hope.

The fear of death follows from the fear of life. A man who lives fully is prepared to die at any time.

Sometimes the hardest cases are the ones closest to home.

科学中最重要的不是获得新的事实，而是发现思考它们的新方法。

译文：志向不坚定的人，智慧就得不到充分的发挥，说话不守信用的人做事就很难获得成功。赏析：志向不坚定，做事就会摇摆不定，就会半途而废，不守信用就很难得到别人的信任，将无法在社会上立足。