The brain does not manufacture thoughts unless we stimulate it with habitual verbalizing. When we train ourselves by constant practice to stop verbalizing, the brain can experience things as they are.
Henepola GunaratanaMindfulness helps us freeze the frame so that we can become aware of our sensations and experiences as they are, without the distorting coloration of socially conditioned responses or habitual reactions.
Henepola Gunaratana