straight and narrow

integrity

Moral soundness and consistency

• righteousnessMoral correctness or virtue
• uprightnessMoral correctness and honesty
• virtueMoral goodness or merit

rectitude · probity · decency · goodness · ethics · morality · honor · principles · purity · innocence

journey

Travel from place to place

• coursePlanned path forward
• wayRoute or method
• roadVehicle travel surface

direction · walking the line · guidance · milestones · temptation · straying · waywardness · crossroads · detour · backsliding

self-control

Ability to restrain impulses

• willpowerMental strength resisting impulse
• restraintControl over impulses
• regimenPrescribed course of treatment

structure · order · conduct · sobriety · abstinence · moderation · self-discipline · perseverance · steadfastness · resolve

compliance

Adhering to requirements

• adherenceFaithful following of something
• conventionalityAdherence to accepted customs
• orthodoxyAdherence to accepted beliefs

obedience · toeing the line · rule-following · law-abiding · propriety · respectability · strait-laced · by the book · on the level · above board

truthfulness

Habit of not lying

• sincerityHonest, unfeigned genuineness
• candorUnguarded truthfulness
• veracityConformity to fact

trustworthiness · transparency · forthrightness · genuineness · authenticity · reliability · scrupulousness · directness · plainspokenness · frankness

• moral sayingsdo unto others, golden rule, do the right thing, honesty is the best policy, treat others fairly
• Biblical imageryLamb of God, Good Shepherd, bread of life, light of the world, living water
• Biblical ExpressionsGarden of Eden, David and Goliath, Good Samaritan, prodigal son, forbidden fruit
• phrases about integritykeep your word, man of his word, above board, on the level, moral compass