No man is capable of causing great evil without thinking he's doing the right thing.
As for me, all I know is that I know nothing, for when I don't know what justice is, I'll hardly know whether it is a kind of virtue or not, or whether a person who has it is happy or unhappy.
To find yourself, think for yourself.
We cannot live better than in seeking to become better.
He is richest who is content with the least, for contentment is the wealth of nature.
The really important thing is not live, but to live well.
If a man is proud of his wealth, he should not be praised until it is known how he employs it.
I cannot teach anybody anything. I can only make them think.
An unconsidered life is not one worth living.
The more I know, the more I realize I know nothing.
Wind buffs up empty bladders; opinion, fools.
The children now love luxury. They have bad manners, contempt for authority; they show disrespect for elders and love chatter in place of exercise.
Such as thy words are such will thine affections be esteemed and such as thine affections will be thy deeds and such as thy deeds will be thy life ...
Remember, no human condition is ever permanent. Then you will not be overjoyed in good fortune, nor too sorrowful in misfortune.
If all our misfortunes were laid in one common heap whence everyone must take an equal portion, most people would be content to take their own and depart.
The only thing I know is that I know nothing, and i am no quite sure that i know that.
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.
To express oneself badly is not only faulty as far as the language goes, but does some harm to the soul.
If everything that has some share of life were to die, and if after death the dead remained in that form and did not come to life again, would it not be quite inevitable that in the end everything should be dead and nothing alive?... [W]hat possible means could prevent their number from being exhausted by death?
I only know that I know nothing.
I know that I know nothing.