Specialized meaninglessness has come to be regarded, in certain circles, as a kind of hallmark of true science.

- Aldous Huxley

Relationships are the hallmark of the mature person.

- Brian Tracy

The most distinguished hallmark of the American society is and always has been change.

- Eric Sevareid

The hallmark of our age is the tension between aspirations and sluggish institutions.

- John W. Gardner

The hallmark of our times is change and acceleration, but we have to provide the history.

- Jim Leach

Incomprehensible jargon is the hallmark of a profession.

- Kingman Brewster, Jr.