服务是美好的，但只有在带着快乐、全心全意和自由的心态去做时才是如此。
To serve is beautiful, but only if it is done with joy and a whole heart and a free mind.
The human voice is the most beautiful instrument of all, and the most difficult to play.
译文：丈夫为了家庭的生计而辛勤劳作，妻子为了生活而勤俭持家。赏析：丈夫在外赚钱养家，妻子在家照顾孩子，夫妻二人各有分工。当然并不是说赚钱只是男人的义务，照顾孩子只是女人的责任。这句话告诉我们：夫妻二人都要相互体谅对方的不容易，相互理解，共同努力经营好小家庭。
命名某物就是开始从中解脱。
Stay calm, accept the current self, do well, and often you can do things well: ordinary people can also do extraordinary things.
Fear is a powerful motivator, but it's also a liar.
Mathematics is the foundation upon which all sciences are built.