The creative process is messy. That's why my sketches look the way they do.
Success is not about how much money you make, it's about the difference you make in people's lives.
Most people are too fretful, they worry too much.Success means being very patient, but aggressive when it's time.
人的状况...是一种每个人对每个人的战争状况。
大萧条是20世纪历史上的一个决定性时刻，理解其原因和后果仍然是经济学家的一项重要任务。
Always keep an open mind to new possibilities.
学习数学的唯一方法就是做数学。
找到自己最好的方法就是在为他人服务中迷失自己。