It is given to few to add the store of knowledge, to strike new springs of thought, or to shape new forms of beauty. But so sure as it is that men live not by bread, but by ideas, so sure is it that the future of the world lies in the hands of those who are able to carry the interpretation of nature a step further than their predecessors.

Irrationally held truths may be more harmful than reasoned errors.

[Scientists] have learned to respect nothing but evidence, and to believe that their highest duty lies in submitting to it however it may jar against their inclinations.

Extinguished theologians lie about the cradle of every science, as strangled snakes beside that of Hercules

Economy does not lie in sparing money, but in spending it wisely.

We are prone to see what lies behind our eyes, rather than what apprears before them.

That which lies before the human race is a constant struggle to maintain and improve, in opposition to State of Nature, the State of Art of an organized polity; in which, and by which, man may develop a worthy civilization

Unity of plan everywhere lies hidden under the mask: of diversity of structure-the complex is everywhere evolved out of the simple.

A world of facts lies outside and beyond the world of words.