The Catechism in Questions & Answers

148. How did Jesus teach the people His doctrine?

Jesus preached to the people. His best known sermon is the “Sermon on the Mount”, which is recorded in the gospel of Matthew. The “beatitudes” are recorded at the beginning of the “Sermon on the Mount”.

The beatitudes
“Blessed are the poor in spirit, for theirs is the kingdom of heaven.
Blessed are those who mourn, for they shall be comforted.
Blessed are the meek, for they shall inherit the earth.
Blessed are those who hunger and thirst for righteousness, for they shall be filled.
Blessed are the merciful, for they shall obtain mercy.
Blessed are the pure in heart, for they shall see God.
Blessed are the peacemakers, for they shall be called sons of God.
Blessed are those who are persecuted for righteousness’ sake, for theirs is the kingdom of heaven.
Blessed are you when they revile and persecute you, and say all kinds of evil against you falsely for My sake.” Matthew 5: 3-11