The mind is refrigerated by interruption; the thoughts are diverted from the principle subject; the reader is weary, he suspects not why; and at last throws away the book, which he has too diligently studied.

You are much surer that you are doing good when you pay money to those who work, as the recompense of their labor, than when you give money merely in charity.

Fraud and falsehood only dread examination. Truth invites it.

Such is the constitution of Man that labor may be said to be its own re-ward.

Almost every man wastes part of his life attempting to display qualities which he does not possess.

The chief art of learning, as Locke has observed, is to attempt but little at a time. The widest excursions of the mind are made by short flights frequently repeated; the most lofty fabrics of science are formed by the continued accumulation of single propositions.

Memory is like all other human powers, with which no man can be satisfied who measures them by what he can conceive, or by what he can desire.