Summary
Chapter I defines happiness as tranquillity grounded in reason. The crowd cannot determine what is good because popularity often follows habit and error. True felicity is inward steadiness that does not depend upon future hopes, external pleasures or changing fortune.
Chapters II and III establish wisdom and virtue as the foundations of happiness. Wisdom distinguishes sound values from misleading appearances. Virtue converts understanding into a consistent life, so that judgement, desire and conduct support one another.
Chapter IV considers the philosophical schools and their different accounts of the good. L’Estrange uses the comparison to clarify the Stoic emphasis upon virtue while allowing that bodily and external conditions may be reasonably preferred without becoming the highest good.
Chapter V defends moral precepts. General doctrines do not eliminate the need for specific reminders about ordinary conduct. Practical sayings prepare the mind for recurring situations and help principles become habits.
Chapters VI and VII examine counsel, correction and moral progress. Advice must suit the person and occasion. Improvement requires willingness to recognise fault rather than merely collect elegant teachings.
Chapter VIII turns to providence. Events that appear adverse cannot be judged solely by comfort. A larger order may use difficulty as exercise, correction or material through which virtue becomes visible.
Chapters IX and X discuss conscience and self-knowledge. Concealed wrongdoing remains known to the person who performs it. An inward witness prevents external reputation from becoming a sufficient measure of character.
Chapters XI through XIV develop the government of emotion and desire. Disturbance begins in judgement and grows through repeated assent. The mind must learn to pause before impulse becomes settled action.
Chapter XV praises temperance and moderation. Pleasure is not condemned simply because it is pleasant, but it becomes dangerous when it governs choice. Moderation preserves enjoyment without dependence and regret.
Chapters XVI and XVII examine anger at length. Anger exaggerates injury, mistakes retaliation for courage and frequently exceeds justice. Delay, perspective and remembrance of one’s own errors help interrupt its first movement.
Chapter XVIII presents friendship as a central blessing. A true friend is chosen for character rather than utility and offers honest counsel without flattery. Friendship combines affection, trust and mutual moral support.
Chapters XIX and XX consider human relationships, generosity and the responsible use of influence. Benefits receive their value from intention and judgement rather than price alone.
Chapter XXI argues that contempt of death weakens many other fears. Mortality cannot be removed, but continually fearing it gives future death authority over present life.
Chapters XXII and XXIII continue with courage, adversity and the instability of fortune. External events change rapidly; character must therefore rest upon goods that can be carried through changing conditions.
Chapters XXIV and XXV address riches and poverty. Wealth may be used well, but excessive attachment produces fear and envy. A moderate condition and a mind satisfied with enough offer greater security than possessions treated as necessities.
The compilation closes by returning to inner sufficiency. The best fortune is one that can be held without becoming a burden. Happiness lies in a mind ordered by wisdom, virtue, moderation and independence from fortune’s promises.