Wisdom
See also:  Knowledge
The older I grow, the more I distrust the familiar doctrine that age brings wisdom  H.L. Mencken
This is wisdom:  to love wine, beauty and the heavenly spring.  That's sufficient - the rest is worthless.  Theodore De Banville
A fool says what he knows, a wise man knows what he says  Yiddish proverb
It is not wise to be wiser than is necessary  Philippe Quinault
A wise man sees as much as he ought, not as much as he can  Michel de Montaigne
It is more easy to be wise for others than for ourselves  La Rochefoucauld
The wise man would rather see men needing him then thanking him  Baltasar Gracian
Among mortals second thoughts are wisest  Euripides
Everybody is wise after the thing has happened  French proverb