1205

Against Speculators.

Oh! speculators on things, boast not of knowing the things that nature ordinarily brings about; but rejoice if you know the end of those things which you yourself devise.

Taken from The Notebooks of Leonardo da Vinci edited by Jean Paul Richter, 1880.

Notebooks of Leonoardo da Vinci
XIX: Philosophical Maxims. Morals. Polemics and Speculations.
. . .
1185,
1186,
1187
Rules of Life.
1188,
1189,
1190,
1191,
1192,
1193,
1194,
1195,
1196,
1197,
1198,
1199,
1200,
1201,
1202
Politics.
1203,
1204
Against Speculators.
1205,
1206
Against alchemists.
1207,
1208
Against friars.
1209
Against writers of epitomes.
1210
On spirits.
1211,
1212,
1213,
1214,
1215
Nonentity.
1216
Reflections on Nature.
1217,
1218,
1219
. . .