One certainly hopes to gain a little wisdom as one grows older.
I tend to doubt the wisdom of separating a child from its family whatever the circumstances.
Did we ever stop to question the wisdom of going to war?
Before I went off to university my father gave me a few words of wisdom.
However, these two [subjects] are vital for us to obtain the wisdom needed in [later] life. (First Certificate in English; B2; Polish)
These ideas about childcare go against the conventional wisdom on the subject.
Thus, against conventional wisdom, I think that while a lot of adult problems are caused by money or the lack of it, it is really the ability to deal with money and to see money as a means rather than an end. (International English Language Testing System; C1; Malay)
