According to Osho, thought is a single wave, a seed, a component; mind is only the collection of these waves—the aggregate, like 'forest' is to 'trees' or a 'chariot' to its parts. Remove the thoughts and no separate entity called mind remains; hence, by letting thoughts subside, one enters the state of no-mind.
A thought is one tree; the mind is the whole forest—take away the trees and the forest disappears.