All imposture weakens confidence and chills benevolence.
There is no more open door by which you can enter into the study of natural philosophy than by considering the physical phenomena of a candle
Nothing is too wonderful to be true, if it be consistent with the laws of nature.
But still try, for who knows what is possible?
The book of nature which we have to read is written by the finger of God.
I am no poet, but if you think for yourselves, as I proceed, the facts will form a poem in your minds.
Lectures which really teach will never be popular; lectures which are popular will never really teach.
I've always enjoyed reading history, particularly presidential biographies.
The second you are handed a newborn it is yours. It doesn't matter what body it came out of. I've never felt more strongly about anything in my life.
Oh, how quickly the world's glory passes away.
I am long on ideas, but short on time. I expect to live to be only about a hundred.