You are never too old to chase your dreams.

If you wish to succeed, you should use perdistence as your good friend, experiece as your reference, prudence as your brother and hope as your sentry.

精准农业不是在取代农民，而是在赋予他们力量。

"Books are the quietest and most constant of friends; they are the most accessible and wisest of counselors, and the most patient of teachers."