The first step to get this noble and manly steadiness, is... carefully keep children from frights of all kinds, when they are young.... Instances of such who in a weak timorous mind, have borne, all their whole lives through, the effects of a fright when they were young, are every where to be seen, and therefore as much as may be to be prevented.

Sec. 115 - Some Thoughts Concerning Education (1693)