One man in the right will finally get to be a majority.

To avoid pain we must know the conditions of health. For the accomplishment of this end we must rely upon investigation instead of faith, upon labor in place of prayer. Most misery is produced by ignorance. Passions sow the seeds of pain.

Liberty is the breath of progress.

If the world ever advances beyond what it is today, it must be led by men who express their real opinions.

I will follow my logic, no matter where it goes, after it has consulted with my heart. If you ever come to a conclusion without calling the heart in, you will come to a bad conclusion.

But honest men do not pretend to know; they are candid and sincere; they love the truth; they admit their ignorance, and they say, We do not know.

One laugh of a child will make the holiest day more sacred still.