The mind has to be still, and you have to maintain just the right amount of pressure constantly as you sharpen the blade.

心必须静止。磨刃时你还必须维持那股恰到好处的压力。

youdao

The mind has to be still, and you have to maintain just the right amount of pressure constantly as you sharpen the blade.

心必须静止。磨刃时你还必须维持那股恰到好处的压力。

youdao