I shall never fear or avoid things of which I do not know.

Not life, but good life, is to be chiefly valued." "It is not living that matters, but living rightly. The unexamined life is not worth living.

Fellow citizens, why do you burn and scrape every stone to gather wealth and take so little care of your children to whom you must one day relinquish all?

We are in fact convinced that if we are ever to have pure knowledge of anything, we must get rid of the body and contemplate things by themselves with the soul by itself. It seems, to judge from the argument, that the wisdom which we desire and upon which we profess to have set our hearts will be attainable only when we are dead and not in our lifetime.

I desire only to know the truth, and to live as well as I can...And, to the utmost of my power, I exhort all other men to do the same...I exhort you also to take part in the great combat, which is the combat of life, and greater than every other earthly conflict.

The only place where success comes before work is in the dictionary.There is only one good, knowledge, and one evil, ignorance.

I only know how little I know