All happiness or unhappiness solely depends upon the quality of the object to which we are attached by love.

In the mind there is no absolute or free will; but the mind is determined to wish this or that by a cause, which has also been determined by another cause, and this last by another cause, and so on to infinity.

All the objects pursued by the multitude not only bring no remedy that tends to preserve our being, but even act as hinderances, causing the death not seldom of those who possess them, and always of those who are possessed by them.

He who hates anyone will endeavor to do him an injury, unless he fears that a greater injury will thereby accrue to himself; on the other hand, he who loves anyone will, by the same law, seek to benefit him.

None are more taken in by flattery than the proud, who wish to be the first and are not.

When a man is prey to his emotions, he is not his own master.

To give aid to every poor man is far beyond the reach and power of every man. Care of the poor is incumbent on society as a whole.