And I think many parents believe that if they didn't persist in using these things their children would never learn to speak.

我相信很多父母认为,如果他们不坚持使用这些东西,他们的孩子将永远也学不会说话

耶鲁公开课 - 心理学导论课程节选

And then, they're proud of it and they insist that I, not inflict, but rather induce you, invite you to do the same thing.

然后，他们引以为豪并且坚持认为，我不是强迫，而是说服，邀请你去做同样一件事。

麻省理工公开课 - 固态化学导论课程节选