Why dost thou complain of this world? It detains thee not; thy own cowardice is the cause, if thou livest in pain.

Whatever is enforced by command is more imputed to him who exacts than to him who performs.

I put forward formless and unresolved notions, as do those who publish doubtful questions to debate in the schools, not to establish the truth but to seek it.

Since philosophy is the art which teaches us how to live, and since children need to learn it as much as we do at other ages, why do we not instruct them in it? .. But in truth I know nothing about the philosophy of education except this: that the greatest and the most important difficulty known to human learning seems to lie in that area which treats how to bring up children and how to educate them.

It should be noted that children at play are not playing about; their games should be seen as their most serious-minded activity.

Obstinacy and contention are common qualities, most appearing in, and best becoming, a mean and illiterate soul.

The judgment is an utensil proper for all subjects, and will have an oar in everything.