It is an excellent summary of the power of positive disagreement and the damage being done because we are losing this skill, particularly and inexcusably in educational establishments where it should be strongest.
The speech was given at an Australian function by an American but the points he made are just as apposite in Britain and many other countries.
Here are a few of extracts which I think particularly bring out the argument Bret Stephens is making.
"I was raised on the old-fashioned view that sticks and stones could break my bones but words would never hurt me. But today there’s a belief that since words can cause stress, and stress can have physiological effects, stressful words are tantamount to a form of violence. This is the age of protected feelings purchased at the cost of permanent infantilization."