立志用功如种树然，方其根芽，犹未有干；及其有干，尚未有枝。
解析：比喻立志用功需要循序渐进。
人需要三项很重要的能力：坚持不放弃直至成功的能力，能够放弃不对的事情的能力，以及能够信任他人来帮助你鉴别以上两种情况的能力。
"Books are the most powerful weapons in the world."
The world is not run from where he thinks. Not from castle walls, but from countinghouses, not by the call of the bugle but by the click of the abacus, not by the grate and click of the broadsword but by the scrape of the pen.
Work hard, be kind, and never give up. Success will follow.
