The Single Greatest Command of Deuteronomy

...and you shall rejoice, you and your households, in all that you undertake. (Deut 12:7)

And you shall rejoice before the LORD your God, you and your sons and your daughters, your male servants and your female servants... (12:12)

And you shall rejoice before the LORD your God in all that you undertake. (12:18)

And you shall eat there before the LORD your God and rejoice, you and your household. (14:26)

And you shall rejoice before the LORD your God... (16:11)

You shall rejoice in your feast, you and your son and your daughter... (16:14)

...because the LORD your God will bless you in all your produce and in all the work of your hands, so that you will be altogether joyful. (16:15)

And you shall rejoice in all the good that the LORD your God has given to you and to your house... (26:11)

...and you shall sacrifice peace offerings and shall eat there, and you shall rejoice before the LORD your God. (27:7)

Because you did not serve the LORD your God with joyfulness and gladness of heart... (28:47)

'Rejoice with him, O heavens...' (32:43)

'Rejoice, Zebulun, in your going out, and Issachar, in your tents.' (33:18)