There has been much puffy stuff written about whether Lyell's uniformitarianism permitted variations in intensity of causes, or whether he applied his logic in a consistent way, and whether he assumed indefinite stretches of geological time.

‘I understand you—upon every other subject, but the only one, my content requires, you are ready to obey me.’

Geology 101 tells us that you can't build a reservoir on sandstone.

Mary decided to have an abortion because she was too young to raise a baby.