But the Lord said to Samuel, “Do not look on his appearance or on the height of his stature, because I have rejected him; for the Lord does not see a… - Malcolm Gladwell

It is those who are successful, in other words, who are most likely to be given the kinds of special opportunities that lead to further success.

The Power of Context is an environmental argument. It says that behavior is a function of social context.

We pretend that success is exclusively a matter of individual merit. But there's nothing in any of the histories we've looked at so far to suggest things are that simple. These are stories, instead, about people who were given a special opportunity to work really hard and seized it, and who happened to come of age at a time when that extraordinary effort was rewarded by the rest of society. Their success was not just of their own making. It was a product of the world in which they grew up.