Vesamachta Vechagecha!

Vesamachta Vechagecha! or Ve’samachta Be’chagecha

ושמחת בחגך

in English:
You shall rejoice on your festivals​, and should be fully happy.

This is from Deuteronomy 16:14a,15b.

Deut 16:13-15 CJB

Maftir)13 “You are to keep the festival of Sukkot for seven days after you have gathered the produce of your threshing-floor and winepress. 14 Rejoice at your festival — you, your sons and daughters, your male and female slaves, the L’vi’im, and the foreigners, orphans and widows living among you. 15 Seven days you are to keep the festival for Adonai your God in the place Adonai your God will choose, because Adonai your God will bless you in all your crops and in all your work, so you are to be full of joy!