But though Julien was unable to fight with so big an opponent, he did not lose heart.
In spite of this, neither officers nor men appeared to lose heart.
But after a few setbacks and failures we lose heart, and faith in our vision dies.
Do not lose heart, Philip; he cannot last forever; and this week how ill he has been!
He who does not remember this is likely to lose heart, and in a little while to abandon his efforts altogether.
But don't you lose heart, Jim, for I'm sure this isn't the end of our story, by any means.
Her trusty counsellor told her not to lose heart, for she might rely on his help.
Do remember if you lose heart about your work, that none of it is lost.
Lucky for them if they do not lose heart and stop half-way, instead of going on bravely to the end as Tom did.
We must not lose heart, or it will be the worse both for ourselves and for those whom we love.