Quantum cryptography doesn't rely on the difficulty of mathematical problems, but on the fundamental laws of physics.
The most important questions in life often have no answers, and we must learn to live with them.
可持续性已不再是一种选择,而是任何希望长期繁荣的企业的必需品。
Simple living, high thinking: this is the path to real happiness.
"Happiness is not something ready made. It comes from your own actions."