This is an infallible sign that the slush fund has run out, and employees would be well-advised to start scanning the small ads.

It was also an infallible sign she wouldn't get what she wanted.

She looked towards Monsieur,- an infallible sign that they were talking about him.

I knew the audiences would come forward and shake hands with you--that one infallible sign of sincere approval.

In his plays, "to dress above one's station is an infallible sign of social mobility."

"No, but there are certain infallible signs," she said.

Laughing is an infallible sign of the highest degree of mental development.

What, he wondered, were the infallible signs of death?

He saw the flush on Toranaga's neck that was an infallible sign of impending explosion.

The time was coming when even light and darkness would be one, he knew that by infallible signs.