如果你不改变，你就会灭绝。
Technology alone won't save us; it's how we apply it with wisdom and foresight that makes the difference.
唯一真正有价值的是你花在做你热爱的事情上的时间。
数学的语言是普遍的，正是通过这种语言，我们才能传达宇宙最深刻的真理。
Death may be the greatest of all human blessings.
"A book is a dream that you hold in your hand."