数学的力量在于它的普遍性和抽象性。
The power of mathematics lies in its generality and abstraction.
解析：圣人致知的功夫在于至诚不息。
唯一的善，是知识；唯一的恶，是无知。
书籍是反映我们挣扎的镜子。
Just be yourself, there is no one better.
幸福晚年的秘诀在于要有好的记性和坏的记性。
Positive emotions broaden our awareness and encourage novel, varied, and exploratory thoughts and actions. Over time, this broadened behavioral repertoire builds skills and resources.
The universe is full of magical things patiently waiting for our wits to grow sharper.
领导力就是激励他人实现他们认为不可能的事情。