In terminology, cause (TR=437), as compared to effect (TR=752), both connected via the notional of causality, is the reason for an action or condition; something that brings about a result; a person, thing, or agent that is the occasion of an action, state, or that which brings something about. [1]

Quotes
The following are relate quotes:

“The universe, as we see it, is the result of regularly working forces, having a causal connection with each other and therefore capable of being understood by human reason.”
Ludwig Buchner (1884), Force and Matter (preface, pg. x) [2]

References
1. Merriam Webster Collegiate Dictionary, 2000.
2. Buchner, Ludwig. (1855). Force and Matter: Principles of the Natural Order of the Universe, with a System of Morality Based Thereon (15th German edition; 4th English edition). London: Asher and Co, 1884.
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