Anything whose presence or absence makes no discernible difference is no essential part of the whole.

Now the goodness that we have to consider is clearly human goodness, since the good or happiness which we set out to seek was human good and human happiness. But human goodness means in our view excellence of soul, not excellence of body.

Love well, be loved and do something of value.

Great and frequent reverses can crush and mar our bliss both by the pain they cause and by the hindrance they offer to many activities. Yet nevertheless even in adversity nobility shines through, when a man endures repeated and severe misfortune with patience, not owing to insensibility but from generosity and greatness of soul.

That which is common to the greatest number has the least care bestowed upon it

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.

No science ever defends its first principles.