确保和平的最佳方式是维持大国之间的权力平衡。
The best way to ensure peace is to maintain a balance of power among the great powers.
勇气是知道什么不该畏惧。
【译文】 孔子说：“读书不想事，越学越糊涂；想事不读书，越想越头痛。”
"We are all in the gutter, but some of us are looking at the stars."
Literature is a dialogue, a communication with the reader.
The knowledge that you have emerged wiser and stronger from setbacks means that you are, ever after, secure in your ability to survive. You will never truly know yourself, or the strength of your relationships, until both have been tested by adversity. Such knowledge is a true gift, for all that it is painfully won, and it has been worth more than any qualification I ever earned.
幸福就像蝴蝶；你越追它，它就越躲着你。但如果你把注意力转向其他事物，它会飞来轻轻落在你的肩上。
Mathematics is a conversation between the past and the future.
The soul has illusions as the bird has wings: it is supported by them.
演讲者应让听众充分相信，他已竭尽全力为他们带来愉悦与教益。
Innovation is not just about technology; it's about changing the way people think and live.