Money often costs too much, and power and pleasure are not cheap.

My gentleman gives the law where he is; he will outpray saints in chapel, outgeneral veterans in the field, and outshine all courtesy in the hall. He is good company for pirates, and good with academicians; so that it is useless to fortify yourself against him; he has the private entrance to all minds, and I could as easily exclude myself, as him.

Teaching is the perpetual end and office of all things. Teaching, instruction is the main design that shines through the sky and earth.

Build a better mousetrap and the world will beat a path to your door.

Make yourself necessary to somebody.

I am present at the sowing of the seed of the world. With a geometry of sunbeams, the soul lays the foundations of nature.

The ragged cliff has thousand faces in a thousand hours.