In a word, I was too cowardly to do what I knew to be right, as I had been too cowardly to avoid doing what I knew to be wrong.
一句话，先是太胆小，明知错的事却不敢不做；后来也还是太胆小，明知对的事却不敢去做。
You have to be fearless in this industry.
Innovation is not just about creating something new, but about making what exists better.
成功者与其他人之间的区别不是缺乏力量，也不是缺乏知识，而是缺乏意志。
我不怕别人说我不好，我怕的是自己不够好。
The best fertilizer for any farm is the footsteps of its owner.
解释：只有放弃一些事情不做，才能在别的一些事情上做出成绩。