“To a good understander, few words are enough.”

It indicates that someone with good understanding doesn't need lengthy explanations to grasp something.

Translation in spanish

“A buen entendedor, pocas palabras bastan.”

Indica que alguien con buen entendimiento no requiere de largas explicaciones para captar algo.

Phonetic:
/ah bwen en-ten-deh-DOR, POH-kas pah-LAH-brahs BAH-stan/