Christopher Hitchens

Many parents and teachers have become irritated to the point of distraction at the way the weed-style growth of 'like' has spread through the idiom of the young. And it's true that in some cases the term has become simultaneously a crutch and a tic, driving out the rest of the vocabulary as candy expels vegetables.

The advice I've been giving to people all my life - that you may not be interested in the dialectic but the dialectic is interested in you; you can't give up politics, it won't give you up - was the advice I should have been taking myself.

Innate mechanisms endow the visual system with highly specific connections, but visual experience early in life is necessary for their maintenance and full development. Deprivation experiments demonstrate that neural connections can be modulated by environmental influences during a critical period of postnatal development.