Nothing is ever finally safe. Every important battle is fought and re-fought. We need to develop a resilient, indomitable morale that enables us to face those realities and still strive with every ounce of energy to prevail.
You may wonder if such a struggle -- endless and of uncertain outcome -- isn't more than humans can bear. But all of history suggests that the human spirit is well fitted to cope with just that kind of world.
It was very hard to pull a single quote out of this speech. If you’re struggling in life right now, reading this will help.