To understand a program you must become both the machine and the program.
要了解程序，您必须同时成为机器和程序。
Going out is not the goal, going in is the success.
The dialogue between science and society must be continuous and transparent.
数学不是沿着一条清理得很好的高速公路小心行进，而是进入一个陌生的荒野的旅程，探险者常常会迷路。