It is not sufficiently considered in the hour of exultation, that all human excellence is comparative; that no man performs much but in proportion to what other accomplish, or to the time and opportunities which have been allowed him.

He dons are too busy educating the young men to be able to teach them anything.

The course of true anything never does run smooth.

There is no permanent absolute unchangeable truth; what we should pursue is the most convenient arrangement of our ideas.

Men of Science. If they are worthy of the name they are indeed about God's path and about his bed and spying out all his ways.

Our own death is a premium which we must pay for the far greater benefit we have derived from the fact that so many people have not only lived but also died before us.

Though analogy is often misleading, it is the least misleading thing we have.