With incessant questioning, when your feeling of doubt is continuous so you are aware when acting, sitting, waking and sleeping, then you are working in the right way, can smash the ring of doubt and perceive the Truth.
不斷地去問，若能疑情不斷，行也參、坐也參、醒也參、睡也參，用功的方法對了，就可能疑團粉碎，當下開悟。