A Quote by Francesco Redi

Belief unconfirmed by experiment is vain. — © Francesco Redi
Belief unconfirmed by experiment is vain.
I hope that we have not labored in vain, and that our experiment will still prove that men can be governed by reason.
The entire deaths of Vietnam died in vain. And they're dying in vain right this very second. And you know what's worse than a soldier dying in vain? It's more soldiers dying in vain. That's what's worse.
Experiment is actually doing the art. That's the experiment and then you get to experience the experiment.
Liberalism should be found not striving to spread bureaucracy but striving to set bounds to it. True liberalism seeks all legitimate freedom first in the confident belief that without such freedom the pursuit of all other blessings and benefits is vain. That belief is the foundation of all American progress, political as well as economic.
Experiment - exercising to see the result. We planned Europa not as an experiment in this sense but as a work of art. Yet The Eye and the Ear was done as a consciously designed experiment. Not every avant-garde dealt with experiments and not every experiment equalled avant-garde.
The felt presence of immediate experience-- this is all you know. Everything else comes as unconfirmed rumor.
Science rests on reason and experiment, and can meet an opponent with calmness; but a belief is always sensitive.
I have been lately introduced to the famous Thomas Paine, and like him very well. He is vain beyond all belief, but he has reason to be vain, and for my part I forgive him. He has done wonders for the cause of liberty, both in America and Europe, and I believe him to be conscientiously an honest man. He converses extremely well; and I find him wittier in discourse than in his writings, where his humour is clumsy enough.
The value and utility of any experiment are determined by the fitness of the material to the purpose for which it is used, and thus in the case before us it cannot be immaterial what plants are subjected to experiment and in what manner such experiment is conducted.
Unless man is committed to the belief that all mankind are his brothers, then he labors in vain and hypocritically in the vineyards of equality.
Speculation replaces fact. It's very easy to see news outlets running with information that is unconfirmed or erroneous.
How long can we go without real leadership? It's like an experiment. It's [a problem with] both parties, it's beyond belief.
Our hypotheses are initially rooted in theoretical consistency and elegance, but...ultimatel y it is experiment not rigid belief that determines what is correct.
I see my whole 20s as a massive experiment. So were my teens. I think the problem is that we're not encouraged to experiment; we're encouraged to decide and choose, be singular and focused. You can't be that until you experiment. You don't know what's going to work until you try it.
Until the content of a belief is made clear, the appeal to accept the belief on faith is beside the point, for one would not know what one has accepted. The request for the meaning of a religious belief is logically prior to the question of accepting that belief on faith or to the question of whether that belief constitutes knowledge.
True religion extends alike to the intellect and the heart. Intellect is in vain if it lead not to emotion, and emotion is vain if not enlightened by intellect; and both are vain if not guided by truth and leading to duty.
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