Go therefore and make disciples of all nations, baptizing them in the name of the Father and of the Son and of the Holy Spirit, teaching them to observe all that I have commanded you. And behold, I am with you always, to the end of the age.”

While walking by the Sea of Galilee, he saw two brothers, Simon (who is called Peter) and Andrew his brother, casting a net into the sea, for they were fishermen. 19 And he said to them, “Follow me, and I will make you fishers of men.” 20 Immediately they left their nets and followed him.

Whoever says “I know him” but does not keep his commandments is a liar, and the truth is not in him, 5 but whoever keeps his word, in him truly the love of God is perfected. By this we may know that we are in him: 6 whoever says he abides in him ought to walk in the same way in which he walked.

A disciple is not above his teacher, but everyone when he is fully trained will be like his teacher.

2 Timothy 3:16–17 (ESV)

All Scripture is breathed out by God and profitable for teaching, for reproof, for correction, and for training in righteousness, 17 that the man of God may be complete, equipped for every good work.

Then Jesus told his disciples, “If anyone would come after me, let him deny himself and take up his cross and follow me.

“Either make the tree good and its fruit good, or make the tree bad and its fruit bad, for the tree is known by its fruit.