我在数学上花费的时间越多，我就越感到兴奋。
The role of education in economic development cannot be overstated; it is the foundation upon which innovation and productivity are built.
我们必须自由，不是因为我们宣称自由，而是因为我们践行自由。
True innovation comes from the relentless pursuit of details.
The walls of the educational system must come down. Education should not be a privilege, so the children of those who have money can study.
