1180

On foolishness and ignorance.

The greatest deception men suffer is from their own opinions.

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.
. . .
1160,
1161
What is life?.
1162,
1163
Death.
1164
How to spend life.
1165,
1166,
1167,
1168,
1169,
1170,
1171,
1172,
1173,
1174,
1175,
1176,
1177,
1178,
1179
On foolishness and ignorance.
1180,
1181,
1182
On riches.
1183,
1184,
1185,
1186,
1187
Rules of Life.
1188,
1189,
1190,
1191,
1192,
1193,
1194,
1195,
1196,
1197,
1198,
1199,
1200
. . .