The Heart Center is the seat of willpower in Human Design. A simple look at its four gates, what each one carries, and why this willpower cannot be relied on every day.

Ego Authority is one of the rarer authorities in Human Design, and it speaks through the voice before the mind can reason. Here is how its two expressions, Ego Manifested and Ego Projected, work in practice.

The Heart Center is one of the four motors in Human Design — governing willpower, self-worth, and the capacity to commit. A defined Heart produces consistent worthiness and the ability to sustain effort in cycles. An undefined Heart — present in roughly sixty-five percent of people — experiences willpower as variable, and carries a particular not-self pressure to prove worth through achievement, overpromising, and taking on more than the actual available energy can sustain.