All men have the stars， but they are not the same things for different people。 For some， who are travelers， the stars are guides。 For others they are no more than little lights in the sky。 For others， who are scholars， they are problems。 For my businessman they were wealth。 But all these stars are silent。 You – you alone – will have the stars as no one else has them.

Freedom of speech is the great bulwark of liberty; they prosper and die together.

跨学科合作对于农业科学的突破至关重要。

除非你开始改变内在，否则无法改变周围的一切。

释义：如果田地没成熟就收获，还不如不种；如果养育的孩子不学好，还不如没有。