A gentleman is not disturbed by anything

There are branches of learning and education which we must study merely with a view to leisure spent in intellectual activity, and these are to be valued for their own sake; whereas those kinds of knowledge which are useful in business are to be deemed necessary, and exist for the sake of other things.

Injustice results as much from treating unequals equally as from treating equals unequally.

For often, when one is asleep, there is something in consciousness which declares that what then presents itself is but a dream.

All human actions have one or more of these seven causes: chance, nature, compulsions, habit, reason, passion, desire.

95% of everything you do is the result of habit.

What has soul in it differs from what has not, in that the former displays life. Now this word has more than one sense, and provided any one alone of these is found in a thing we say that thing is living. Living, that is, may mean thinking or perception or local movement and rest, or movement in the sense of nutrition, decay and growth. Hence we think of plants also as living, for they are observed to possess in themselves an originative power through which they increase or decrease in all spatial directions.