The instinct which teaches the birds to build nests taught them to build huts; the herd-instinct drove them into tribes.
Weakening under the pressure, and swung by the power of herd-instinct, most of us "came."
It is this "herd-instinct," too, which makes man so extremely sensitive to the opinions of the society in which he lives.
There must be free thought, scepticism, diminution in the intensity of herd-instinct.
It is these that, with the power of the herd-instinct, press into the mind of the child, there fashioning and moulding it.