A Quote by Carl Sagan

Science is not perfect. It's often misused; it's only a tool, but it's the best tool we have. Self-correcting , ever changing, applicable to everything: with this tool, we vanquish the impossible.
There is no other species on Earth that does science. It is, so far, entirely a human invention, evolved by natural selection in the cerebral cortex for one simple reason: it works. It is not perfect. It can be misused. It is only a tool. But it is by far the best tool we have, self-correcting, ongoing, applicable to everything.
[Science] is not perfect. It can be misused. It is only a tool. But it is by far the best tool we have, self-correcting, ongoing, applicable to everything. It has two rules. First: there are no sacred truths; all assumptions must be critically examined; arguments from authority are worthless. Second: whatever is inconsistent with the facts must be discarded or revised. ... The obvious is sometimes false; the unexpected is sometimes true.
The computer is a tool akin to a telescope or a microscope; a tool that opens vast frontiers of possibilities and brings them to light; a tool that captures the elemental and animates or holds it still at will; a tool that captures the organic flow of the earth's crust or the wash of a wave, and creates an impossible symmetry, an elemental Rorshach pattern ripe for continued exploration, divulging a thousand revelations.
The tool user, provided the tool is made well, need not, and indeed should not, know anything about the tool.
The market is a tool, and a useful one. But the worship of this tool is a hollow faith. Far more important than any tool is what you make with it.
Visual effects have always been a part of this art form. And CG is simply a tool on the filmmaker's tool belt to tell a story, but when the end result is bad - maybe it's not the tool's fault.
I never go online on my iPhone. Sometimes I'm tempted but I remind myself and the kids - it's a tool. Use it as a tool. You're not the tool. My iPhone, 85% of the time I'm writing down ideas.
As worship leaders we might use music as a tool, but music is only ever just that - a tool with which to encourage lives to be renewed and awakened to God.
Technology remains a tool: you can have the best tool in the world, but if you have nothing to say, it will remain an empty experience.
There’s an assumption that if someone writes in the first person it’s self-indulgent and self-regarding. I just look at it as a tool to understand the world and my experience in it. It’s not a tool to understand myself.
I loved my computer; it's a tool. A tool increases your mechanical advantages. It allows you to use your strengths and talents to greater advantage, and that's what tools do, and that's what my computer does for me. It's not my toy, it's my tool.
Ma Ying-jeou tends to use cross-strait policy as an election tool and a political tool, too, and my position is that we don't use that as a political tool because that is an issue that is critical and essential to the interests of the Taiwanese people.
Modern science is necessarily a double-edged tool, a tool that cuts both ways. ... There is no doubt that a Zeppelin is a wonderful thing; but that did not prevent it from becoming a horrible thing.
Music is a tool. Lighting is a tool. Power point is a tool. Getting those things right is not the goal. God is the goal. Those are just tools. And we can real easily turn into worshippers of all the tools, rather than remembering that this is simply a tool to get the job done which is to help connect people with God and to help inspire people.
I tell students that even if they don't like math right now, they can use math as a brain-sharpening tool - a tool that not only builds the foundation for a great career, but that also builds self-confidence, no matter what they choose to do with their lives.
On Sundays I give the sermons like my dad used to give. I utilize it as a revolutionary tool, as a thinking tool, as a tool where I can recruit people, DM them, and give them information that I feel that they need going forward.
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