He that gives good advice builds with one hand; he that gives good counsel and example builds with both, but he that gives good admonition and bad example builds with one hand and pulls down with the other.
Francis Bacon

None is so perfect that he does not need at time the advice of others.
Baltasar Gracian

Many receive advice, only the wise profit from it.
Syrus

To accept good advice is but to increase one's own ability.
Goethe

One cool judgment is worth a thousand hasty counsels.
Woodrow Wilson

One can advice comfortably from a safe port.
Fiedrich von Schiller

Ninety percent of all human wisdom is the ability to mind your own business.
Robert A. Heinlein

If a man knows to get good advice, it is as though he could supply it himself.
Goethe

What I am  thinking and doing day by day is resistlessly shaping my future...a future in which there is no expiation except through my own better conduct. No one can live my life for me. If I am wise I shall begin today to build my own truer and better world from within.
H. W. Dresser

Every generation, no matter how paltry its character, thinks itself much wiser than the one immediately preceding it, let alone those that are more remote.
William Shakespeare

When we know how to read our own hearts, we acquire wisdom of the hearts of others.
Denis Diderot