The problem isn't that Johnny can't read. The problem isn't even that Johnny can't think. The problem is that Johnny doesn't know what thinking is; h… - Thomas Sowell

Maturity is not a matter of age. You have matured when you are no longer concerned with showing how clever you are, and give your full attention to getting the job done right. Many never reach that stage, no matter how old they get.

Suppose you are wrong? How would you know? How would you test for that possibility?

What was peculiar about the West was not that it participated in the worldwide evil of slavery, but that it later abolished that evil, not only in Western societies but also in other societies subject to Western control or influence. This was possible only because the anti-slavery movement coincided with an era in which Western power and hegemony were at their zenith, so that it was essentially European imperialism which ended slavery. This idea might seem shocking, not because it does not fit the facts, but because it does not fit the prevailing vision of our time.