Imitation is the sincerest form of flattery, right?
Judged by some passages of his life he would appear a heartless egotist, and yet he was capable of the sincerest friendship and could never dispense with human sympathy.
We convey our sincerest condolences to their family, friends and community.
Apart from these abuses the Spiritual Exercises have proved their value over and over again, and have received the sincerest form of flattery in countless imitations.
No doubt, you've heard the saying, "imitation is the sincerest form of flattery."