When asked what Buffett had taught him, Gates gently remarked that Buffett had taught him to “fill his calendar with spaces.” In a surprising gesture Buffett pulled out a small paper calendar, less than the size of his hand, and showed all the empty spaces, quietly saying “Time is the one thing no one can buy.” No one spoke for a second and the camera did not move from that avuncular face, as if to preserve in film that simplest but most difficult-to-sustain insight.
