Man needs difficulties; they are necessary for health.
人需要困扰,困扰是心理健康的必需之物。
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。
Our descendants will achieve things that will amaze us, yet a portion of what they will create could have been made with today’s materials and tools if we had had the imagination. Think bigger.