He successfully transitioned from cocky college dropout to brass-knuckle negotiator to seasoned captain of industry, eventually becoming the richest man in the world and a model philanthropist.

• 他已经成功地从当年那个桀骜不羁的哈佛辍学生蜕变成为一名成熟的谈判者，继而转变为经验丰富的企业领导，最终成为世界首富和慈善家中的楷模。