使变量可变很容易。控制恒定的持续时间是诀窍。
解决贫困的根本方法不是金钱，而是知识。
数据是新的石油。
The biggest risk is not taking any risk at all.
我的胃里打满了悲伤和愤怒的结，但我继续微笑着。
The fundamental law of the militia is, that it be created, directed and commanded by the laws, and ever for the support of the laws.
追求科学不是一种奢侈，而是人类生存的必要条件。