It is difficult to estimate the misery inflicted upon thousands of persons, and the absolute pecuniary penalty imposed upon multitudes of intellectual workers by the loss of their time, destroyed by organ-grinders and other similar nuisances. Charles Babbage
This is Alvin Smith,” said Cooper. "He's a man of inestimable abilities, but only because nobody has cared enough to estimate them. Orson Scott Card
Thus I was able to make pioneering measurements of the height and physical scale of plasma clouds in the ionosphere and also to estimate wind speeds in this region. Antony Hewish
Ambition prompted many to become deceitful; to keep one thing concealed in the breast, and another ready on the tongue; to estimate friendships and enmities, not by their worth, but according to interest; and to carry rather a specious countenance than an honest heart. Sallust
Attempts to estimate the impacts of climate change continue to be highly speculative. William Nordhaus
It is impossible for me to estimate how many of my early impressions of the world, correct and the opposite, came to me through newspapers. Homicide, adultery, no-hit pitching, and Balkanism were concepts that, left to my own devices, I would have encountered much later in life. A. J. Liebling