Certainty Quote by Henri Poincare

Experiment is the sole source of truth.

— Henri Poincare

Experiment is the only means of knowledge at our disposal. Everything else is poetry, imagination.

— Max Planck

No experiment can be more interesting than that we are now trying, and which we trust will end in establishing the fact, that man…

— Thomas Jefferson

The true method of knowledge is experiment.

— William Blake

The test of all knowledge is experiment. Experiment is the sole judge of scientific truth.

— Richard P. Feynman

Experiment is the mother of knowledge.

— Madeleine L'Engle

See now the power of truth; the same experiment which at first glance seemed to show one thing, when more carefully examined, assures us…

— Galileo Galilei

We must trust to nothing but facts: These are presented to us by Nature, and cannot deceive. We ought, in every instance, to submit…

— Antoine Lavoisier

To pry into the secrets of this world, we must make experiments. But experiment is a clumsy instrument, afflicted with a fatal determinacy which…

— Banesh Hoffmann

Experiment is the sole judge of the validity of any idea.

— Richard P. Feynman

Experiments are mediators between nature and idea.

— Johann Wolfgang von Goethe

No experiment can be more interesting than that we are now trying, and which we trust will end in establishing the fact, that man…

— Thomas Jefferson