“The marginal cost of doing something 'just this once' always seems to be negligible, but the full cost will typically be much higher. Yet unconsciously, we will naturally employ the marginal-cost doctrine in our personal lives.”

American business scholar and professor, Christensen is best known for developing the theory of disruptive innovation, which explains how established companies often fail to recognize emerging markets that eventually overtake them. His work reshaped strategic thinking in corporate leadership and entrepreneurship.