We should develop the habit of doubting, and the ability to decide by ourselves.

我们应该养成怀疑的习惯，培养自己做决定的能力。

D. develop the habit of doing sth.

“形成做某事的习惯”。

I will develop the habit of reflection every day.

我要培养每日反省的习惯。

If you want to develop the habit of running, run almost every day.

如果你想养成跑步的习惯，那就几乎每天都去跑步。

If you’re going to develop the habit of taking action, you need to be motivated.

假如你想要养成雷厉风行的习惯的话，你需要被激励去那样做。

To increase your learning speed, try to develop the habit of making hand-written notes.

为了提高学习速度，试着养成亲手写笔记的习惯。

You’d better develop the habit of saying “you’re absolutely right”. It costs you nothing.

你最好养成说“你是绝对正确的”的习惯，你又没损失什么东西。