Life is not for learning nor is life for working, but learning and working are for life.

The freest form of government is only the least objectionable form. The rule of the many by the few we call tyranny: the rule of the few by the many is tyranny also; only of a less intense kind.

However insignificant the minority, and however trifling the proposed trespass against their rights, no such trespass is permissible.

Life is the continuous adjustment of internal relations to external relations.

Let men learn that a legislature is not 'our God upon earth,' though, by the authority they ascribe to it, and the things they expect from it, they would seem to think it is. Let them learn rather that it is an institution serving a purely temporary purpose, whose power, when not stolen, is at the best borrowed.

... those who have never entered upon scientific pursuits know not a tithe of the poetry by which they are surrounded... Sad, indeed, is it to see how men occupy themselves with trivialities, and are indifferent to the grandest phenomena - care not to understand the architecture of the heavens, but are deeply interested in some contemptible controversy about the intrigues of Mary Queen of Scots!

Though, probably, no competent geologist would contend that the European classification of strata is applicable to the globe as a whole; yet most, if not all geologists, write as though it were so.