Matthew 28:20

And teaching them to lay to heart all the commands that I have given you; and, remember, I myself am with you every day until the close of the age."

Mark 16:15-16

Then he said to them: "Go into all the world, and proclaim the Good News to all creation.

Acts 20:27

For I have not shrunk from announcing the whole purpose of God regarding you.

Treasury of Scripture Knowledge

Summary

But the LORD said unto me, Say not, I am a child: for thou shalt go to all that I shall send thee, and whatsoever I command thee thou shalt speak.

General references

Bible References

For thou shalt

Matthew 28:20
And teaching them to lay to heart all the commands that I have given you; and, remember, I myself am with you every day until the close of the age."
Mark 16:15
Then he said to them: "Go into all the world, and proclaim the Good News to all creation.
Acts 20:27
For I have not shrunk from announcing the whole purpose of God regarding you.

General references

Matthew 18:2
Jesus called a little child to him, and placed it in the middle of them, and then said: