没有听到不如亲耳听到,亲耳听到不如亲眼见到,亲眼见到不如清楚知道,清楚知道不如亲自实践。
Innovation in forestry isn't optional; it's essential for survival.
We usually see only the things we are looking for- so much so that we sometimes see them where they are not.
There are wounds that never heal, only scab over.