Charge Joshua and encourage him and strengthen him; for he shall go across at the head of this people, and he shall give them as an inheritance the land which you will see. (Deuteronomy 3:28).
Then Moses called Joshua and said to him in the sight of all Israel, “Be strong and courageous, for you shall go with this people into the land which the LORD has sworn to their fathers to give them, and you shall give it to them as an inheritance. And the LORD is the one who goes ahead of you; He will be with you.” (Deut 31:7-8).
As David’s time to die drew near, he charged Solomon his son, saying, “I am going the way of all the earth. Be strong, therefore, and show yourself a man.” (1 Kings 2:2).
[Jesus] knelt down and began to pray, saying, “Father, if Thou art willing, remove this cup from Me; yet not My will, but Thine be done.” Now an angel from heaven appeared to Him strengthening Him. (Luke 22:41-43).
Therefore encourage one another, and build up one another. (1 Thess 5:11, see Heb 10: 24-25).