Truth is immortal; it transcends the limitations of time.
真理是不朽的,它超越了时间的局限。
科学的进步不是一条直线,而是一个螺旋,总是在前进,又总是回到起点。
真正的危险不是计算机开始像人一样思考,而是人开始像计算机一样思考。
"You can't always be happy, but you can always be brave."
"The world is full of obvious things which nobody by any chance ever observes."
The only limit to our realization of tomorrow is our doubts of today.
The historian will tell you what happened. The novelist will tell you what it felt like.