(physically) true, straight, unwarped, unskewed, proper / (abstractly) correct, right, true

(uncommon, dialect) factual, true, correct, accurate / (uncommon, dialect) genuine, real / (uncommon, dialect) actual, real, certain

mindset; spirit

needed, necessary

need, necessity

success / success in life, achievement in the world

succeed / be successful in life

a mind map

mindset

necessity (quality or state of being necessary, unavoidable, or absolutely requisite)