Laughter is a bodily exercise, precious to Health

Memory is therefore, neither Perception nor Conception, but a state or affection of one of these, conditioned by lapse of time. As already observed, there is no such thing as memory of the present while present, for the present is object only of perception, and the future, of expectation, but the object of memory is the past. All memory, therefore, implies a time elapsed; consequently only those animals which perceive time remember, and the organ whereby they perceive time is also that whereby they remember.

The greatest virtues are those which are most useful to other persons.

Happiness is the meaning and the purpose of life, the whole aim and end of human existence.

Good moral character is not something that we can achieve on our own. We need a culture that supports the conditions under which self-love and friendship flourish.

For what is the best choice for each individual is the highest it is possible for him to achieve.

Happiness is the highest good