There wasn't much to base exact knowledge on.
Exact knowledge was pretty scarce, and often proved less effective than superstition.
He appears to have a passion for definite and exact knowledge.
But to renounce what Friedrich von Hayek called economists' "pretence of exact knowledge" is not to abandon the possibility that economic theory can inform policymaking.
Without exact knowledge of one's risk, we have to guess at the likely impact of our healthy or unhealthy habits.
"Instruction" here does not usually mean the study of exact knowledge and explicit dogma, for it is believed that the shaman is taught by the spirits.
But what we don't want to do is, on the basis of inadequate knowledge, come firmly down on one side as though we have exact knowledge and are willing to be judgmental about it.
The Knightsbridge safe deposit centre robbery in 1987 was masterminded by an Italian, Valerio Viccei, and an estimated £25m was stolen, although there is no exact knowledge of how much was in the boxes.
respect, that such grave criticisms of a public service and those who work in it should be made only if the issue is fairly raised in advance and the Court has an exact knowledge of the relevant circumstances.
In "The Virtuoso," her first novel to be published in English, she hymned a woman's love for a castrato singer, a rhapsody about passion informed by an exact knowledge of singing, both the technique and the splendors.
The exact knowledge of resveratrol's mode of action, if confirmed, is welcome news for Sirtris, the company Dr. Sinclair helped found to explore whether resveratrol-mimicking drugs could avert the diseases of aging.
