pull themselves up by their bootstraps

John J. Rateyの "SPARK" を読んでいます。

I don't look at exercise and medicine as an either-or proposition.
Exercise is another tool at your disposal, and it's handy because it's something you can prescribe for yourself, whether you have a definable disorder of just feel anxious at times. Like most people do. And I'm certainly not a pharmacological Calvinist--I don't tell people to pull themselves up by their bootstraps or that it's a sin or weakness to rely on medicine.

慣用句らしい "pull themselves up by their bootstraps" を調べます。


・Oxford English Dictionary: Improve one's position by one's own efforts.: 'I want to congratulate the farmer-investors, showing they can pulls themselves up by their bootstraps,’ he said.

・Collins Dictionary: If you have pulled yourself up by your bootstraps, you have achieved success by your own efforts, starting from very difficult circumstances and without help from anyone.
・Dictionary.com: to help oneself without the aid of others; use one's resources: I admire him for pulling himself up by his own bootstraps.

以前（9/3/2019）"bootstrap" が単独で出てきたのを取り上げていました。