Does anyone know in which of Erasmus' works he says “I put up with this church, in the hope that one day it will become better, just as it is constrained to put up with me in the hope that I will become better.”?
The Latin of the quote is fero igitur hanc Ecclesiam donec video meliorem.
After some searching, one may find this quotation in Hyperapistes I in the CWE edition (the Collected Works of Erasmus put out by the University of Toronto), 76 117. Or else in the Leiden edition (LB), volume 10, 1258.A.