John Chrysostom

The things also which concern Joseph are of Faith only. Joseph heard that God had made a promise to Abraham, that He had engaged His word "to thee and to thy seed will I give this land;" and though in a strange land, and not yet seeing the engagement fulfilled, but never faltered even so, but so believed as even to "speak of the Exodus, and to give commandment concerning his bones." He then not only believed himself, but led on the rest also to Faith: that having the Exodus always in mind (for he would not have "given commandment …

Homily on Hebrews 26 ↗

Theophylact of Ohrid

So greatly, he says, did he believe that the Israelites would be freed from Egypt, that he even commanded them with an oath to carry his bones with them (Gen. 50:25). And he did this not because he was concerned about a grave — being very wise, he knew that "the earth is the Lord's" (Ps. 24:1) — but to instill in the people full confidence that God's promise would in any case be fulfilled and that they would leave Egypt. …

Commentary on Hebrews ↗

Thomas Aquinas

609. – Then (v. 22) he continues with the example of Joseph's faith and mentions two things which are stated in the last chapter of Genesis, where he said to his brothers (v. 24): 'God will visit you,' and commanded them to carry his bones out of that place. Hence, his faith bore on two things: first, because he believed that the promise He made would be fulfilled by the return of the children of Israel to the promised land; secondly, because he believed that Christ would be born and would rise from the dead in it, and many with him. …

Commentary on Hebrews ↗