一个物理符号系统具备一般智能行为的必要和充分条件。
A physical symbol system has the necessary and sufficient means for general intelligent action.
"The word 'home' always sounds like a lie to me."
我们的故事是我们的生存，我们的抵抗，我们的希望。
A sustainable coal industry is possible if we commit to the right technologies.
Sometimes, the hardest battles are fought within the confines of our own minds.
发展过程简单来说就是：在每一代中，两个亲本性状都会出现，分离且不变。
The only thing that separates successful people from the others is hard work.
你越努力，就越幸运。