"Acting is not about being someone different. It's finding the similarity in what is apparently different, then finding myself in there."

Don't get involved in partial problems, but always take flight to where there is a free view over the whole single great problem, even if this view is still not a clear one.

可持续性不是一种选择；它是农业未来的必要条件。

数学的本质在于它的自由。