John Gills Exposition of the Bible Commentary - Matthew 6:4
That thine alms may be in secret ,.... May be done in secret, and be kept a secret. The allusion seems to be to the secret chamber, where money was brought privately for the relief of the poor. "There were two chambers in the sanctuary, the one was לשכת חשאים , "the chamber of secrets", and the other the chamber of vessels: the chamber of secrets was that into which pious persons put בחשאי , "in secret", and the poor children of good men were maintained out of it privately F17 ... read more
John Gills Exposition of the Bible Commentary - Matthew 6:3
But when thou dost alms ,.... Do it so privately, and with so much secrecy, that, if it was possible, thou mightest not know it thyself, much less make it known to others: let not thy left hand know what thy right hand doth ; acquaint not thy nearest and dearest friend with it; let not one that sits at thy left hand know what thou art doing with thy right hand; it is a proverbial and hyperbolical phrase, expressing the secrecy of the action. It is a Jewish canon F16 Piske Tosephot in... read more