When used in the current, "at any time" consists of up to the existing. When employed in the past, it could consist of the current, or it could only contain enough time around that time previously. Can it be heresy to get a Christian to think a Untrue idea (like https://www.slideshare.net/slideshow/celebrate-indian-culture-and-cuisine-at-hemani-mehmi-indian-restaurant-in-liverpool/278105904