If you are under the impression you have already perfected yourself, you will never rise to the heights you are no doubt capable of.
人们可以非常聪明或拥有直接适用的技能,但如果他们不真正相信它,那么他们就不会真正努力工作。
The true measure of a farmer's success is not just yield per acre, but the legacy left for future generations.