Volume 1

Letter 1 On saving time

Letter 2 On discursiveness in reading

Letter 3 On true and false friendship

Letter 4 On the terrors of death

Letter 5 On the philosopher's mean

Letter 6 On sharing knowledge

Letter 7 On crowds

Letter 8 On the philosopher's seclusion

Letter 9 On philosophy and friendship

Letter 10 On living to oneself

Letter 11 On the blush of modesty

Letter 12 On old age

Letter 13 On groundless fears

Letter 14 On the reasons for withdrawing from the world

Letter 15 On brawn and brains

Letter 16 On philosophy, the guide of life

Letter 17 On philosophy and riches

Letter 18 On festivals and fasting

Letter 19 On worldliness and retirement

Letter 20 On practising what you preach

Letter 21 On the renown which my writings will bring you

Letter 22 On the futility of half-way measures

Letter 23 On the true joy which comes from philosophy

Letter 24 On despising death

Letter 25 On reformation

Letter 26 On old age and death

Letter 27 On the good which abides

Letter 28 On travel as a cure for discontent

Letter 29 On the critical condition of Marcellinus

Letter 30 On conquering the conqueror

Letter 31 On siren songs

Letter 32 On progress

Letter 33 On the futility of learning maxims

Letter 34 On a promising pupil

Letter 35 On the friendship of kindred minds

Letter 36 On the value of retirement

Letter 37 On allegiance to virtue

Letter 38 On quiet conversation

Letter 39 On noble aspirations

Letter 40 On the proper style for a philosopher's discourse

Letter 41 On the god within us

Letter 42 On values

Letter 43 On the relativity of fame

Letter 44 On philosophy and pedigrees

Letter 45 On sophistical argumentation

Letter 46 On a new book by Lucilius

Letter 47 On master and slave

Letter 48 On quibbling as unworthy of the philosopher

Letter 49 On the shortness of life

Letter 50 On our blindness and its cure

Letter 51 On Baiae and morals

Letter 52 On choosing our teachers

Letter 53 On the faults of the spirit

Letter 54 On asthma and death

Letter 55 On Vatia's villa

Letter 56 On quiet and study

Letter 57 On the trials of travel

Letter 58 On being

Letter 59 On pleasure and joy

Letter 60 On harmful prayers

Letter 61 On meeting death cheerfully

Letter 62 On good company

Letter 63 On grief for lost friends

Letter 64 On the philosopher's task

Letter 65 On the first cause

Volume 2

Letter 66 On various aspects of virtue

Letter 67 On ill-health and endurance of suffering

Letter 68 On wisdom and retirement

Letter 69 On rest and restlessness

Letter 70 On the proper time to slip the cable

Letter 71 On the supreme good

Letter 72 On business as the enemy of philosophy

Letter 73 On philosophers and kings

Letter 74 On virtue as a refuge from worldly distractions

Letter 75 On the diseases of the soul

Letter 76 On learning wisdom in old age

Letter 77 On taking one's own life

Letter 78 On the healing power of the mind

Letter 79 On the rewards of scientific discovery

Letter 80 On worldly deceptions

Letter 81 On benefits

Letter 82 On the natural fear of death

Letter 83 On drunkenness

Letter 84 On gathering ideas

Letter 85 On some vain syllogisms

Letter 86 On Scipio's villa

Letter 87 Some arguments in favour of the simple life

Letter 88 On liberal and vocational studies

Letter 89 On the parts of philosophy

Letter 90 On the part played by philosophy in the progress of man

Letter 91 On the lesson to be drawn from the burning of Lyons

Letter 92 On the happy life

Volume 3

Letter 93 On the quality, as contrasted with the length, of life

Letter 94 On the value of advice

Letter 95 On the usefulness of basic principles

Letter 96 On facing hardships

Letter 97 On the degeneracy of the age

Letter 98 On the fickleness of fortune

Letter 99 On consolation to the bereaved

Letter 100 On the writings of Fabianus

Letter 101 On the futility of planning ahead

Letter 102 On the intimations of our immortality

Letter 103 On the dangers of association with our fellow-men

Letter 104 On care of health and peace of mind

Letter 105 On facing the world with confidence

Letter 106 On the corporeality of virtue

Letter 107 On obedience to the universal will

Letter 108 On the approaches to philosophy

Letter 109 On the fellowship of wise men

Letter 110 On true and false riches

Letter 111 On the vanity of mental gymnastics

Letter 112 On reforming hardened sinners

Letter 113 On the vitality of the soul and its attributes

Letter 114 On style as a mirror of character

Letter 115 On the superficial blessings

Letter 116 On self-control

Letter 117 On real ethics as superior to syllogistic subtleties

Letter 118 On the vanity of place-seeking

Letter 119 On nature as our best provider

Letter 120 More about virtue

Letter 121 On instinct in animals

Letter 122 On darkness as a veil for wickedness

Letter 123 On the conflict between pleasure and virtue