You will never be happy if you continue to search for what happiness consists of. You will never live if you are looking for the meaning of life.
如果你继续寻找幸福是由什么组成的,你永远不会幸福。如果你在寻找生命的意义,你就不会真正地活着。
煤炭使美国在世界范围内保持竞争力。
The language of DNA is universal, but its applications are deeply personal.