From his 1978 autobiography “In Search of Identity,” and in reference to when he was contemplating a new perspective to a successful peace process with Israel.
He's a great many more. I found 20 here.
from The Social Contract, Book IX.
From “Seven Pillars of Wisdom: A Triumph,” the inspiration for the film Lawrence of Arabia
Full passage: “We were wrought up with ideas inexpressible and vaporous, but to be fought for. We lived many lives in those whirling campaigns, never sparing ourselves: yet when we achieved and the new world dawned, the old men came out again and took our victory to re-make in the likeness of the former world they knew. Youth could win, but had not learned to keep: and was pitiably weak against age. We stammered that we had worked for a new heaven and a new earth, and they thanked us kindly and made their peace.”