We naturally like what we have been accustomed to, and are attracted towards it. […] The same is the case with those opinions of man to which he has been accustomed from his youth; he...

For the elements have the property of moving back to their place in a straight line, but they have no properties which would cause them to remain where they are, or to move other-wise than...

If a person studies too much and exhausts his reflective powers, he will be confused, and will not be able to apprehend even that which had been within the power of his apprehension. For the...

The physician should not treat the disease but the patient who is suffering from it

Truth does not become more true by virtue of the fact that the entire world agrees with it, nor less so even if the whole world disagrees with it.

You must accept the truth from whatever source it comes.

Your purpose…should always be to know…the whole that was intended to be known.

No disease that can be treated by diet should be treated with any other means.