Isaiah 53:9-11

"And they made His grave with the wicked, and with the rich in his death; because he had done no violence, neither was any deceit in his mouth.

Yet it pleased the LORD to bruise him; he hath put him to grief: when thou shalt make his soul an offering for sin, he shall see his seed, he shall prolong his days, and the pleasure of the LORD shall prosper in his hand.

He shall see of the travail of his soul, and shall be satisfied: by his knowledge shall my righteous servant justify many; for he shall bear their iniquities."

These verses from the Old Testament describe Jesus and what he did for us. He bore all our sins, taking on the punishment we deserve, so that we are justified before God.