Neither divine grace nor natural knowledge ever diminishes freedom.

A person has two passions for love and abhorrence. A big disposition to excessiveness has just a love, because it is more ardent and stronger.

Situations in life often permit no delay; and when we cannot determine the course which is certainly best, we must follow the one which is probably the best. This frame of mind freed me also from the repentance and remorse commonly felt by those vacillating individuals who are always seeking as worthwhile things which they later judge to be bad.

In the matter of a difficult question it is more likely that the truth should have been discovered by the few than by the many.

Thus each truth discovered was a rule available in the discovery of subsequent ones.

The rainbow is such a remarkable phenomenon of nature, and its cause has been so meticulously sought after by inquiring minds throughout the ages, that I could not choose a more appropriate subject for demonstrating how, with the method I am using, we can arrive at knowledge not possessed at all by those whose writings are available to us.

For each of us there is a set limit to our intellectual powers which we cannot pass.