No person's gain in wisdom is diminished by anyone else's gain.


Chapter XII : The Greening Of America, p. 383 (See also: Vilfredo Pareto) - The Greening of America (1970)


No person's gain in wisdom is diminished by anyone else's gain.

No person's gain in wisdom is diminished by anyone else's gain.

No person's gain in wisdom is diminished by anyone else's gain.

No person's gain in wisdom is diminished by anyone else's gain.