It is best not to go on for great quest for truth , it will only make you miserable

Desire awakens only to things that are thought possible.

For to be possessed of a vigorous mind is not enough; the prime requisite is rightly to apply it.

When writing about transcendental issues, be transcendentally clear.

Few look for truth; many prowl about for a reputation of profundity by arrogantly challenging whichever arguments are the best.

I have concluded the evident existence of God, and that my existence depends entirely on God in all the moments of my life, that I do not think that the human spirit may know anything with greater evidence and certitude.

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.