Success comes from taking calculated risks, not reckless ones.
Science is about understanding the world, and engineering is about changing it.
真正的领导者必须能够倾听人民的声音。
乐观主义者认为这是所有可能世界中最好的一个。悲观主义者则担心这是真的。
The writer is either a practicing recluse or a delinquent, guilt-ridden one.
饥饿的时候就不惜妄取以保存性命,吃得很饱的时候又用虚伪的行为来粉饰自己。