To lead is to serve, not to command.
现在属于他们;而我真正为之奋斗的未来属于我。
言论不能改变行动而又崇尚它,那就是说空话。 
You can't trust code that you did not totally create yourself.
向可再生能源的过渡依赖于高效且可扩展的存储系统。