Combining Texts

All the ideas for 'fragments/reports', 'Rules for the Direction of the Mind' and 'Human Freedom and Divine choice'

expand these ideas     |    start again     |     specify just one area for these texts

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4 ideas

9. Objects / D. Essence of Objects / 7. Essence and Necessity / a. Essence as necessary properties

13083

The essence is the necessary properties, and the concept includes what is contingent [Leibniz]

11. Knowledge Aims / B. Certain Knowledge / 1. Certainty

9807	In pursuing truth, anything less certain than mathematics is a waste of time [Descartes]

25. Social Practice / E. Policies / 5. Education / b. Education principles

13304

Learned men gain more in one day than others do in a lifetime [Posidonius]

27. Natural Reality / D. Time / 1. Nature of Time / d. Time as measure

20820

Time is an interval of motion, or the measure of speed [Posidonius, by Stobaeus]