True innovation happens at the intersection of necessity and creativity.
你无法改变过去，但可以改变未来。
数学是逻辑思想的诗歌。
我的音乐就是我的态度。
拼命奋斗，保持谦逊。
The more one forgets himself—by giving himself to a cause to serve or another person to love—the more human he is.