On the Improvement of Understanding, by Benedict de Spinoza, [1883], at sacred-texts.com
1 On the Improvement of the Understanding
3 Of the ordinary objects of men's desires
12 Of the true and final good
17 Certain rules of life
19 Of the four modes of perception
25 Of the best mode of perception
33 Of the instruments of the intellect, or true ideas
43 Answers to objections
First part of method:
50 Distinction of true ideas from fictitious ideas
64 And from false ideas
77 Of doubt
81 Of memory and forgetfulness
86 Mental hindrances from words—and from the popular confusion of ready imagination with distinct understanding.
Second part of method:
91 Its object, the acquisition of clear and distinct ideas
94 Its means, good definitions Conditions of definition
107 How to define understanding