做数学就是探索一个无限的思想景观。
如果你觉得要撞车了,那就更用力踩油门。
A rat in a maze is free to go anywhere, as long as it stays inside the maze.
Sustainability starts with respecting the wisdom of traditional farming while innovating for tomorrow.
儿童是通过努力从事活动,从而使个人得到发展的。
在每一个词中,都有一个等待被发现的世界。
The opposite of courage in our society is not cowardice, it is conformity.