A Series Of Lessons in Gnani Yoga:The Yoga Wisdom

And, the Intellect experiences a similar difficulty when it tries to think of an Eternal—a That which is above and outside of Time. We see Time in operation everywhere, and take it for granted that Time is a reality—an actual thing. But this is a mistake of the senses. There is no such thing as Time, in reality. Time exists solely in our minds. It is merely a form of perception by which we express our consciousness of the Change in Things.