In saying that someone did something， we may be doing something ourselves.

There is no doubt that in exchanging a self-centered for a selfless life we gain enormously in self-esteem. The vanity of the selfless, even those who practice utmost humility, is boundless.

The mother is the main factor in the child's world. Her behavior creates the behavior of the child.

The ability to edit genes is a profound responsibility—one we must approach with humility.