"I wish to preserve the Keep for its own sake."
If you wish to preserve the secret of your goal, leave not quite so much room for speculation.
If they wish to preserve what remains to them, they will not answer.
I wish to preserve the good opinion of all here.
If any country wishes to preserve its identity it must have control of immigration.
This is patronising to all those who wish to preserve the union.
However, these states also wish to preserve their individual integrity and unique features.
Local residents and others wish to preserve it as a historical monument.
Those wishing to preserve the peace process must assume their responsibilities now.
He was just the kind of man who would wish to preserve appearances.