Here are the Formulas of the Catholic Doctrine.

The two commandments of love
1. You shall love the Lord your God with all your heart, with all your soul, and with all your mind.
2. You shall love your neighbor as yourself.
The Golden Rule (Matthew 7:12):
Do to others as you would have them do to you.
The Beatitudes (Matthew 5:3-12):
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 satisfied.
Blessed are the merciful, for they shall be shown mercy.
Blessed are the pure of heart, for they shall see God.
Blessed are the peacemakers, for they shall be called children of God.
Blessed are those who are persecuted for righteousness’ sake, for theirs is the kingdom of heaven.
Blessed are you when people persecute you and utter all kinds of evil against you falsely on my account, rejoice and be glad, for your reward will be great in heaven.
The three theological virtues:
1. Faith
2. Hope
3. Charity
The four cardinal virtues:
1. Prudence
2. Justice
3. Fortitude
4. Temperance
The seven gifts of the Holy Spirit:
1. Wisdom
2. Understanding
3. Counsel
4. Fortitude
5. Knowledge
6. Piety
7. Fear of the Lord
The twelve fruits of the Holy Spirit:
1. Charity
2. Joy
3. Peace
4. Patience
5. Kindness
6. Goodness
7. Generosity
8. Gentleness
9. Faithfulness
10. Modesty
11. Self-control
12. Chastity
The five precepts of the Church:
1. You shall attend Mass on Sundays and on holy days of obligation and remain free from work or activity that could impede the sanctification of such days.
2. You shall confess your sins at least once a year.
3. You shall receive the sacrament of the Eucharist at least during the Easter season.
4. You shall observe the days of fasting and abstinence established by the Church.
5. You shall help to provide for the needs of the Church.
The seven corporal works of mercy:
1. Feed the hungry.
2. Give drink to the thirsty.
3. Clothe the naked.
4. Shelter the homeless.
5. Visit the sick.
6. Visit the imprisoned.
7. Bury the dead.
The seven spiritual works of mercy:
1. Counsel the doubtful.
2. Instruct the ignorant.
3. Admonish sinners.
4. Comfort the afflicted.
5. Forgive offenses.
6. Bear wrongs patiently.
7. Pray for the living and the dead.
The seven capital sins:
1. Pride
2. Covetousness
3. Lust
4. Anger
5. Gluttony
6. Envy
7. Sloth
The four last things:
1. Death
2. Judgment
3. Hell
4. Heaven.