The writer must be a free being, even if it costs him everything.

只要我能坦诚地做自己，我就是足够好的。

Progress in agriculture must be measured not just in yield, but in long-term environmental impact.

The question is not whether the thing exists， but whether it has any essence which is capable of existence without us.

我只和自己竞争。

释义：不执着任何观念，让心自由生发。