Every one whom his spirit made willing What they did they did cheerfully. They were willing; and it was not any external inducement that made them so, but their spirits. It was from a principle of love to God and his service; a desire of his presence with them by his ordinances, gratitude for the great things he had done for them, and faith in his promises of what he would do further.
Related Commentaries of Exodus 35:21
Exodus 35:21-22
21 And they came, every one whose heart stirred him up, and every one whom his spirit made willing, and they brought the LORD'S offering to the work of the tabernacle of the congregation, and for all his service, and for the holy garments.
22 And they came, both men and women, as many as were willing hearted, and brought bracelets, and earrings, and rings, and tablets, all jewels of gold: and every man that offered offered an offering of gold unto the LORD.