Happiness is the only sanction of life; where happiness fails, existence remains a mad and lamentable experiment.
—George Santayana (1863–1952) Spanish-American Poet, Philosopher
Faith begins as an experiment and ends as an experience.
—William Ralph Inge (1860–1954) English Anglican Clergyman, Priest, Mystic
Physiological experiment on animals is justifiable for real investigation, but not for mere damnable and detestable curiosity.
—Charles Darwin (1809–82) English Naturalist
The experimenter who does not know what he is looking for will not understand what he finds.
—Claude Bernard (1813–78) French Physiologist
It is inexcusable for scientists to torture animals; let them make their experiments on journalists and politicians.
—Henrik Ibsen (1828–1906) Norwegian Playwright
When you’re experimenting you have to try so many things before you choose what you want, and you may go days getting nothing but exhaustion.
—Fred Astaire (1899–1987) American Actor, Dancer, Singer