Conditions Quote by Claude Bernard

Therefore, the causes assigned to natural effects of the same kind must be, so far as possible, the same.

— Isaac Newton

The laws of nature are the rules according to which the effects are produced; but there must be a cause which operates according to…

— Thomas Reid

It is in this mutual dependence of the functions and the aid which they reciprocally lend one another that are founded the laws which…

— Georges Cuvier

Of course you cannot free yourself from the laws of nature; but the laws of nervous systems are not the same as the physical…

— Mario Bunge

...Pathological states are the consequence of several determinate factors acting simultaneously...The manifestations of any given agent differ profoundly from one person to another. ...Each…

— Rene Dubos

I know that certain minds would regard as audacious the idea of relating the laws which preside over the play of our organs to…

— Francois Magendie

I think that the 'laws of nature' are also prone to evolve; I think they are more like habits than laws.

— Rupert Sheldrake

The Laws of Nature are just, but terrible. There is no weak mercy in them. Cause and consequence are inseparable and inevitable.

— Henry Wadsworth Longfellow

As the cause is, so the effect will be Cause is never different from effect, the effect is but the cause reproduced in another…

— Swami Vivekananda

In science, law is not a rule imposed from without, but an expression of an intrinsic process. The laws of the lawgiver are impotent…

— Clifford Allbutt

Everything in nature is the result of fixed laws.

— Charles Darwin

Tempered, gradual animation, the methodical restrain of sensations and energies, the equilibrium of sickness and health in each creature--this is nature's essence, its immutable…

— Ivan Turgenev