The activity of happiness must occupy an entire lifetime; for one swallow does not a summer make.

A friend to all is a friend to none.

Education begins at the level of the learner.

For suppose that every tool we had could perform its task, either at our bidding or itself perceiving the need, and if-like the statues made by Dædalus or the tripods of Hephæstus, of which the poet says that "self-moved they enter the assembly of the gods" - shuttles in a loom could fly to and fro and a plectrum play a lyre all self-moved, then master-craftsmen would have no need of servants nor masters of slaves.

Whether if soul did not exist time would exist or not, is a question that may fairly be asked; for if there cannot be someone to count there cannot be anything that can be counted, so that evidently there cannot be number; for number is either what has been, or what can be, counted.

When the looms spin by themselves, we'll have no need for slaves.

Modesty is hardly to be described as a virtue. It is a feeling rather than a disposition. It is a kind of fear of falling into disrepute.