10; as quoted in Studies in the Gospel of Thomas (1960) by Robert McLachlan Wilson http://www.earlychristianwritings.com/thomas/gospelthomas10.html
Variant translations:
I have cast fire upon the world, and see, I am watching over it until it blazes.
As translated by Bentley Layton
Gospel of Thomas (c. 50? — c. 140?)

World

“I found them all drunk, I found no one among them athirst in his heart. And my soul was grieved for the sons of men, for they are blind in their minds and do not see that empty they have come into the world and that empty they are destined to come forth from the world.”

Thomas the Apostle

28
Gospel of Thomas (c. 50? — c. 140?)

Men , World , Soul , Heart

“His disciples say to him, … when will the New World come? He says to them: That which you look for has already come, but you do not recognize it.”

Thomas the Apostle

51
Gospel of Thomas (c. 50? — c. 140?)

World