"Remove yourself as the bottleneck to maximize output Karpathy describes feeling nervous whenever he had token capacity sitting idle, comparing it to the anxiety PhD students feel when their GPUs are not running at full utilization. The insight is that "you are the bottleneck in the system that is max capability" — meaning your personal bandwidth, not access to tools, is the real constraint. Anyone who wants to multiply their productive output should design workflows where work continues without waiting for their next decision. Source: Andrej Karpathy, Conviction, Episode with Andrej Karpathy"