数学是一门活生生的学科,随着新的思想和发现不断演变。
幸福不在于我们拥有多少,而在于我们享受多少。
成功是一段旅程,而非终点。继续前进。
The state of nature has a law of nature to govern it, which obliges every one: and reason, which is that law, teaches all mankind, who will but consult it, that being all equal and independent, no one ought to harm another in his life, health, liberty, or possessions.