There are doubtless many ways of consecrating a life, of rendering service.

There must be beasts in that sunken valley, and doubtless many poisonous reptiles.

Everybody doubtless held their breath, and doubtless many a heart throbbed with suspense.

There are doubtless many factors of which I am unaware.

He had now many open, and doubtless many secret, enemies.

But you have them and doubtless many of them.

There are doubtless many other ways of making money.

For all these reasons, and, doubtless many more, people believed to have foxes are shunned.

But doubtless many more observations are needed before we can affirm that it is really proved.

He did not tell how many murders he had committed during these raids, but doubtless many.

Happily the captain's orders were obeyed, though doubtless many would feel tempted to risk a landing.

I will not do so again; you have doubtless many friends; let some of them advise you.

There are doubtless many laws in nature yet undiscovered, and a few persons undoubtedly possess abnormal powers.

Thus wrote one Englishman from Calais and doubtless many others found the air more wholesome at home.

There are doubtless many higher motives in life, more elevated goals toward which struggling humanity should strive.

There are doubtless many other good ones.