Seated to one side, that mendicant said to the Buddha: “Sir, they speak of this thing called ‘ignorance’. What is ignorance? And how is an ignoramus defined?” “Not knowing about suffering, the origin of suffering, the cessation of suffering, and the practice that leads to the cessation of suffering. This is called ignorance. And this is how an ignoramus is defined.

That’s why you should practice meditation …”

Linked Discourses 56.18 2. Rolling Forth the Wheel of Dhamma Knowledge

Then a mendicant went up to the Buddha, bowed, sat down to one side, and said to him: “Sir, they speak of this thing called ‘knowledge’. What is knowledge? And how is a knowing one defined?” “Knowing about suffering, the origin of suffering, the cessation of suffering, and the practice that leads to the cessation of suffering. This is called knowledge. And this is how a knowing one is defined.

That’s why you should practice meditation …”

Linked Discourses 56.19 2. Rolling Forth the Wheel of Dhamma Expressions

“Mendicants, I’ve declared: ‘This is the noble truth of suffering.’ For that there are limitless arrangements, phrasings, and illustrations: ‘This is another way of saying that this is the noble truth of suffering.’ I’ve declared: ‘This is the noble truth of the origin of suffering.’ … I’ve declared: ‘This is the noble truth of the cessation of suffering.’ … I’ve declared: ‘This is the noble truth of the practice that leads to the cessation of suffering.’ For that there are limitless arrangements, phrasings, and illustrations: ‘This is another way of saying that this is the noble truth of the practice that leads to the cessation of suffering.’

That’s why you should practice meditation …”

Linked Discourses 56.20 2. Rolling Forth the Wheel of Dhamma Real