Science walks forward on two feet, namely theory and experiment.

I consider an intimate knowledge of the Bible an indispensable quality of a well educated man.

My idea of an educated person is one who can converse on one subject for more than two minutes.

Interest and attention will insure to you an education.

Fullness of knowledge always and necessarily means some understanding of the depths of our ignorance, and that is always conducive to both humility and reverence.

I conceive the essential task of religion to be "to develop the consciences, the ideals, and the aspirations of mankind".

Cultivate the habit of attention and try to gain opportunities to hear wise men and women talk. Indifference and inattention are the two most dangerous monsters that you ever meet. Interest and attention will insure to you an education.