"The only limit to our realization of tomorrow will be our doubts of today."
实现明天的唯一限制将是我们今天的怀疑。
The present is always changing, but the past is fixed.
If we had paid no more attention to our plants than we have to our children, we would now be living in a jungle of weeds.
A sense of duty is just love of one's duty.
闭上眼睛去看。
