“Reb Yochanan's shita is that he can keep the cheftza without finding the owner.” (Weiser)

“I have a shita not to smoke in the dorm even after the Mashgiach leaves.” (Weiser)

"The vishnitze rebbe said in a speech that it was his father’s shita that a chusid should be like a tail. Just like a tail is always attached and follows the body, so should a chusid be close to his rebbe and be guided accordingly." (source)