Universal · Ancient to Present · You Cannot Harvest What You Have Not Planted
For every action, there is an equal and opposite reaction.Isaac Newton — Principia Mathematica, 1687
The Law of Cause and Effect — that every effect has a cause, and every cause produces effects — is the most universal of all principles, appearing in physics, philosophy, ethics, agriculture, and the study of human behavior with equal force. Its application to human life is simple and radical: you cannot harvest what you have not planted; you cannot receive what you have not given; you cannot become what you have not practiced becoming. There are no exceptions. The appearance of exceptions — the apparent windfall, the unearned success, the injustice that goes unpunished — dissolves on close examination into causes that were less visible, not absent.
Every ethical tradition has recognized this principle, though they have expressed it in different vocabulary. The Hindu and Buddhist concept of karma — action and its consequences — is perhaps the most developed philosophical account: every intentional action produces consequences that arise in due course, shaping the future conditions of experience. The Stoic principle of living according to nature — acting in accordance with reason and virtue and accepting the consequences — is an application of the same law: act rightly, and the consequences of right action will follow. The New Thought tradition expressed it as Shinn's boomerang: what we send out, we receive back.
The practical wisdom embedded in this principle is enormous. If you want different results, you must produce different causes. This is obvious but underappreciated, because most people spend considerable effort trying to manage effects — to change outcomes without changing the behaviors and attitudes that produce those outcomes. The person who understands the Law of Cause and Effect concentrates their energy on causes: on the quality of their daily practice, on the character of their habitual thoughts, on the consistency of their action toward their purpose. The effects take care of themselves.
Aristotle identified four kinds of cause in his Physics: the material cause (what something is made of), the formal cause (what something essentially is), the efficient cause (what produces or changes it), and the final cause (the purpose or end toward which it tends). This fourfold account was an attempt to give a complete account of why things are as they are — a philosophical anticipation of the scientific project of causal explanation. When we speak of the Law of Cause and Effect in the context of human achievement, we are primarily concerned with efficient causation: what behaviors and attitudes actually produce what outcomes.
The ancient Chinese concept of yīn guǒ — cause and fruit — expresses the same principle in agricultural terms that have shaped Chinese moral thinking for millennia. The farmer who plants rice harvests rice; the person who cultivates virtue harvests a virtuous character; the society that creates institutions of justice harvests social stability. The metaphor is precise: causes are seeds, effects are harvests, and the relationship between them is reliable even when it is not immediate.
Ralph Waldo Emerson's essay "Compensation" is one of the finest philosophical treatments of the Law of Cause and Effect in American literature. Emerson argues that every advantage carries its corresponding disadvantage, every gift its corresponding burden, every action its corresponding consequence — and that this law operates with a perfection that no human accounting can fully capture or circumvent. The law is not punitive; it is impersonal. It applies with equal precision to those who understand it and those who do not.
Do not be deceived: God is not mocked; for whatever a man sows, that he will also reap.Galatians 6:7 — The Bible, NKJV