"The only limit to our realization of tomorrow will be our doubts of today."

Every tree tells a story; our job is to make sure it's a story of renewal, not destruction.

释义：君子在面对挫折、困难的时候，应该反躬自问，修养品德。蹇（jiǎn），多指行动迟缓、困苦、不顺利的意思。