We live in the best of all possible worlds
Gottfried LeibnizRead
...a distinction must be made between true and false ideas, and that too much rein must not be given to a man's imagination under pretext of its being a clear and distinct intellection.
Interpretation
This quote emphasizes the importance of distinguishing between valid and invalid ideas while being cautious of overindulging imagination.
Gottfried Leibniz highlights the necessity of critical thinking and discernment in the pursuit of knowledge. He warns against fully trusting imagination when it is cloaked in the guise of clarity and distinct understanding, suggesting that a rigorous evaluation of ideas is crucial for sound reasoning and intellectual integrity.
In practice
In a debate about scientific theories, one might use this quote to emphasize the need for rigorous testing of ideas before acceptance.
We live in the best of all possible worlds
I am so in favor of the actual infinite that instead of admitting that Nature abhors it, as is commonly said, I hold that Nature makes frequent use of it everywhere, in order to show more effectively the perfections of its Author.
It is unworthy of excellent men to lose hours like slaves in the labor of calculation which could be relegated to anyone else if machines were used.
According to their [Newton and his followers] doctrine, God Almighty wants to wind up his watch from time to time: otherwise it would cease to move. He had not, it seems, sufficient foresight to make it a perpetual motion. Nay, the machine of God's making, so imperfect, according to these gentlemen; that he is obliged to clean it now and then by an extraordinary concourse, and even to mend it, as clockmaker mends his work.
..This is why the ultimate reason of things must lie in a necessary substance, in which the differentiation of the changes only exists eminently as in their source; and this is what we call God.
These principles have given me a way of explaining naturally the union or rather the mutual agreement [conformité] of the soul and the organic body. The soul follows its own laws, and the body likewise follows its own laws; and they agree with each other in virtue of the pre-established harmony between all substances, since they are all representations of one and the same universe.
I like contradictions. We have never attained the infinite variety and contradictions that exist in nature. Tomorrow I shall contradict myself. That is the one way I have of asserting my liberty, the real liberty one does not find as a member of society.
What a country calls its vital economic interests are not the things which enable its citizens to live, but the things which enable it to make war. Petrol is more likely than wheat to be a cause of international conflict.
Heaven is under our feet as well as over our heads.
Beautiful objects are wrought by study through effort, but ugly things are reaped automatically without toil.
What difference does it make, after all, what your position in life is if you dislike it yourself?
Accept the place the divine providence has found for you, the society of your contemporaries, the connection of events.
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