The function of wisdom is to ...

The function of wisdom is to discriminate between good and evil.
The function of wisdom is to discriminate between good and evil.

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If one does not know to which port one is sailing, no wind is favorable.
What a distressing contrast there is between the radiant intelligence of the child and the feeble mentality of the average adult.
We are masters of the unsaid words, but slaves of those we let slip out.
I have always found that mercy bears richer fruits than strict justice.
A lie gets halfway around the world before the truth has a chance to get its pants on.

Quotes from the same author

Gratitude is not only the greatest of virtues, but the parent of all the others.
The rule of friendship means there should be mutual sympathy between them, each supplying what the other lacks and trying to benefit the other, always using friendly and sincere words.
What sweetness is left in life, if you take away friendship? Robbing life of friendship is like robbing the world of the sun. A true friend is more to be esteemed than kinsfolk.
We must not say every mistake is a foolish one.
The higher we are placed, the more humbly we should walk.