Enter others' minds and let them enter yours.

Each of us lives only now, this brief instant. The rest been lived already, or is impossible to see. The span we live is small - small as the corner of the earth in which we live it.

Happiness is no other than soundness and perfection of mind.

Think on this doctrine, - that reasoning beings were created for one another's sake; that to be patient is a branch of justice, and that men sin without intending it.

In one way an arrow moves, in another way the mind. The mind indeed, both when it exercises caution and when it is employed about inquiry, moves straight onward not the less, and to its object.

It is not death that a man should fear, but he should fear never beginning to live.

It is the act of a madman to pursue impossibilities .