People remain mentally healthy not merely because of the integrity of their own minds, but because they are constantly being reminded how to think, act, and speak by those around them.

High-arousal emotions kindle the fire... activate people, and drive them to take action.

I realized that passing on knowledge is like passing on DNA—it is more important than the individual, because it lives way beyond the individual’s life.

Complex and infrequent – handle yourself. These tasks are yours alone – for example, making hiring plans or writing performance reviews. However, you can delegate them to rising leaders, to train them.

The goal is not to improve one measurement in isolation. The goal is to reduce operational expense and reduce inventory while simultaneously increasing throughput.

If we love Christ above everything, we must love humility above everything, for humility is the very essence of His life and glory.

The right sort of practice carried out over a sufficient period of time leads to improvement. Nothing else.

A God without dominion, providence, and final causes, is nothing else but fate and nature.

The inversion of the 3rd Law is make it difficult. If you find yourself continually struggling to follow through on your plans, then you can take a page from Victor Hugo and make your bad habits more difficult by creating what psychologists call a commitment device.

All species for whose dates of domestication we have archaeological evidence were domesticated between about 8000 and 2500 B.C. —that is, within the first few thousand years of the sedentary farming-herding societies that arose after the end of the last Ice Age.