“Knowing how to keep a friend is more important than gaining a new one.”
Saberlos conservar es más que el hazerlos amigos.
Maxim 158 (p. 90)
The Art of Worldly Wisdom (1647)
Original
Saberlos conservar es más que el hazerlos amigos.
The Art of Worldly Wisdom (1647)
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Baltasar Gracián 31
Spanish Jesuit and baroque prose writer and philosopher 1601–1658Related quotes

“The ability to perceive or think differently is more important than the knowledge gained.”
As quoted in New Scientist (February 1993), p. 42

“There is more to be gained by producing more opportunities than by optimizing existing ones.”
Out of Control: The New Biology of Machines, Social Systems and the Economic World (1995), New Rules for the New Economy: 10 Radical Strategies for a Connected World (1999)

reported by Lance Dixon http://www.preposterousuniverse.com/blog/2013/10/03/guest-post-lance-dixon-on-calculating-amplitudes/

“I know that inner wisdom is more precious than wealth. The more you spend it, the more you gain.”

“One reads books in order to gain the privilege of living more than one life….”

“Let the thick curtain fall;
I better know than all
How little I have gained,
How vast the unattained.”
My Triumph, reported in Bartlett's Familiar Quotations, 10th ed. (1919)