Maimonides

You must accept the truth from whatever source it comes.

The definition of a thing includes its efficient cause; and since God is the Primal Cause, He cannot be defined, or described by a partial definition. A quality, whether psychical, physical, emotional, or quantitative, is always regarded as something distinct from its substratum;

The risk of a wrong decision is preferable to the terror of indecision.

Elohim is a homonym, and denotes God, angels, judges, and the rulers of countries,

When I have a difficult subject before me — when I find the road narrow, and can see no other way of teaching a well established truth except by pleasing one intelligent man and displeasing ten thousand fools — I prefer to address myself to the one man, and to take no notice whatever of the condemnation of the multitude; I prefer to extricate that intelligent man from his embarrassment and show him the cause of his perplexity, so that he may attain perfection and be at peace.

And so our rabbis decreed that a man should honor his wife more than himself, and love her as much as he loves himself.

If God were corporeal, He would consist of atoms, and would not be one; or He would be comparable to other beings: but a comparison implies the existence of similar and of dissimilar elements, and God would thus not be one. A corporeal God would be finite, and an external power would be required to define those limits.

here departs from his master, and holds that the spheres and the intellects had a beginning, and were brought into existence by the will of the Creator. He does not attempt to give a positive proof of his doctrine; all he contends is that the theory of the creatio ex nihilo is, from a philosophical point of view, not inferior to the doctrine which asserts the eternity of the universe, and that he can refute all objections advanced against his theory (ch. xiii.-xxviii.).

Alexander Aphrodisius said that there are three causes which prevent men from discovering the exact truth: first, arrogance and vainglory; secondly, the subtlety, depth, and difficulty of any subject which is being examined; thirdly, ignorance and want of capacity to comprehend what might be comprehended.

El riesgo de una mala decisión es preferible al terror de la indecisión.

Remember that it is not right to take a passage out of its context and to draw inferences from it. It is imperative to take into consideration the preceding and following statements in order to fathom the writer’s meaning and purpose before making any deductions.

Do not consider it proof just because it is written in books, for a liar who will deceive with his tongue will not hesitate to do the same with his pen.

As man’s distinction consists in a property which no other creature on earth possesses, viz., intellectual perception, in the exercise of which he does not employ his senses, nor move his hand or his foot, this perception has been compared — though only apparently, not in truth — to the Divine perception, which requires no corporeal organ. On this account, i.e., on account of the Divine intellect with which man has been endowed, he is said to have been made in the form and likeness of the Almighty, but far from it be the notion that the Supreme Being is corporeal, having a material form.

"WHEN reading my present treatise, bear in mind that by "faith" we do not understand merely that which is uttered with the lips, but also that which is apprehended by the soul, the conviction that the object [of belief] is exactly as it is apprehended. If, as regards real or supposed truths, you content yourself with giving utterance to them in words, without apprehending them or believing in them, especially if you do not seek real truth, you have a very easy task as, in fact, you will find many ignorant people professing articles of faith without connecting any idea with them."

The person who wishes to attain human perfection should study logic first, next mathematics, then physics, and, lastly, metaphysics.