创新不仅仅是创造新事物；它还包括改进现有事物，让客户的生活更美好。

let everyone else call your idea crazy, just keep going, don't stop, don't even think about stopping until you get there, and don't give much think of where "there" is.

比光速更快的问题在于你只能生活在黑暗中。

解析：用功在于为善之心真切。