Pirkei Avot §avot_01_17: Shimon, his son, used to say: all my days I grew up among the sages, and I ha...

Shimon, his son, used to say: all my days I grew up among the sages, and I have found nothing better for a person than silence. Study is not the most important thing, but actions; whoever indulges in too many words brings about sin.