剑鞘保护剑的锋利，自己却满足於它自己的迟钝。
The seabbard is content to be dull when it protects the keenness of the word.
My past is my motivation.
The challenge in quantum computing is not just building the hardware, but also developing the algorithms that can take advantage of quantum mechanics.
Reputation is an idle and most false imposition: oft got without merit, and lost without deserving.
在能源领域，最大的风险就是不承担任何风险。