Geometry draws the soul towards truth.

Both poverty and wealth, therefore, have a bad effect on the quality of the work and the workman himself. Wealth and poverty, I answered. One produces luxury and idleness and a passion for novelty, the other meanness and bad workmanship and revolution into the bargain.

Of all the things of a man's soul which he has within him, justice is the greatest good and injustice the greatest evil.

Let early education be a sort of amusement. You will then be better able to find out the natural bent.

Ignorance is the root cause of all difficulties.

He who wishes to serve his country must have not only the power to think, but the will to act

For the man who makes everything that leads to happiness, or near to it, to depend upon himself, and not upon other men, on whose good or evil actions his own doings are compelled to hinge,--such a one, I say, has adopted the very best plan for living happily. This is the man of moderation; this is the man of manly character and of wisdom.