When the thoughts are subtle, it’s hard to stop them. And they are capable to snatch the peace of the mind, as a thought is not just a thought but also drives the emotions, energy, heart beats … and what not, you know?

But the grosser thoughts can be stopped, as they are more visible. The way to stop them is to catch each grosser thought at a time and put them aside … keep on doing it until no thought remains.

And way to turn the subtle thoughts into the grosser thoughts is by giving each of them ‘shape and color.’ That’s it!