One encourages those who do not want to jump in the water.
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Give pointers to the student who asks oneself questions, but delay before answering to the thoughtless questions. That way the student will rely on their judgment.
In the making
Something is not yet visible but will be revealed later.
Proof (Pivot's method)
One does not stop asking.
One can understand the real reason provided that they are able to listen to those who know.