"I never guess. It is a shocking habit—destructive to the logical faculty."
我从不猜测。这是一个令人震惊的习惯——对逻辑能力具有破坏性。
Society can and does execute its own mandates, and if it issues wrong mandates instead of right, or any mandates at all in things with which it ought not to meddle, it practices a social tyranny more formidable than many kinds of political oppression, since, though not usually upheld by such extreme penalties, it leaves fewer means of escape, penetrating much more deeply into the details of life, and enslaving the soul itself.
Learning is any change in a system that produces a more or less permanent change in its capacity for adapting to its environment.