The true measure of success is leaving the land better than we found it.
从亚当和夏娃时代到农业发明之前,人类的生存一定是岌岌可危的,因为他无法确保自己的食物供应。
Don't you be afraid, sweet heart. Death is just a part of life. Something we're all destined to do. I didn't know it, but I was destined to be your mama. I did the best I could. Well...I happen to believe you make your own destiny. You have to do the best with what God gave you.
科学的进步不是通过事实的积累,而是通过发现它们之间的新关系。