Causal Quotes
That is to say, nature's laws are causal; they reveal themselves by comparison and difference, and they operate at every multivariate space/time point.
Edward Tufte
Both of these branches of evolutionary science, are, in my opinion, in the closest causal connection; this arises from the reciprocal action of the laws of heredity and adaptation.
Ernst Haeckel
History creates comprehensibility primarily by arranging facts meaningfully and only in a very limited sense by establishing strict causal connections.
Johan Huizinga