Plato on knowledge as the source of happiness

“I put my questions to Lysis: ‘I suppose, Lysis, your father and mother love you very much?’

‘Of course,’ he replied.

‘Then they’d want you to be as happy as possible?’

‘Naturally.’

‘Do you think that a man is happy when he’s a slave and allowed to do nothing he desires?’

‘Heavens, no, I don’t,’ he said.

‘Then if your father and mother love you and desire your happiness, it’s absolutely clear that they must do their best to make you happy.’

‘Of course,’ he said.

‘So they let you do what you want and don...