There's no better friend to any merchant than a fair competitor.
I can calculate the motion of heavenly bodies, but not the madness of people.
When you're making pictures out of heartfelt passion, it hurts when someone calls them a calculated business move.
Take calculated risks, that is quite different from being rash.
War involves in its progress such a train of unforeseen circumstances that no human wisdom can calculate the end, it has but one thing certain, and that is to increase taxes.
It's quite complicated and sounds circular, but we've worked out a way of calculate a Web site's importance.
Constitutions should consist only of general provisions; the reason is that they must necessarily be permanent, and that they cannot calculate for the possible change of things.