最伟大的发现往往来自于冒险和跳出框框思考。
The greatest discoveries often come from taking risks and thinking outside the box.
The real tragedy of the poor is that they can afford nothing but self-denial.
There’s magic in spontaneity—some of my favorite recordings were done in one take.
解析:教导学生,不到他想弄明白而不得的时候,不去开导他;不到他想出来却说不出来的时候,不去启发他。