Then he took down his Greek manuscripts and amused himself as best he might by writing this way or that.

It was a matter on which his intellect could work and his energies be employed, though the theory of his life was in no way concerned in it.

Such was one class of his Philosophy.

The other consisted of a code of morals which he created for himself by his own convictions, formed on the world around him, and which displayed itself in essays, such as those De Officiis--on the duties of life; De Senectute, De Amicitia--on old age and friendship, and the like, which were not only intended for use, but are of use to any man or woman who will study them up to this day.

There are others, treatises on law and on government and religion, which have all been lumped together, for the misguidance of school-boys, under the name of Cicero's Philosophy.