Wisdom begins at the ...

Wisdom begins at the end.
Wisdom begins at the end.
 Daniel Webster

More phrases

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

Instruct the mothers of the French people.
 Daniel Webster
There are men in all ages who mean to govern well, but they mean to govern. They promise to be good masters, but they mean to be masters
 Daniel Webster
God grants liberty only to those who love it, and are always ready to guard and defend it.
 Daniel Webster
A country cannot subsist well without liberty, nor liberty without virtue.
 Daniel Webster
Liberty exists in proportion to wholesome restraint.
 Daniel Webster