The word of knowledge, strictly employed, implies three things: truth, proof, and conviction.

Vices and frailties correct each other, like acids and alkalies. If each vicious man had but one vice, I do not know how the world could go on.

He only is exempt from failures who makes no efforts.

As one may bring himself to believe almost anything he is inclined to believe, it makes all the difference whether we begin or end with the inquiry, 'What is truth?'

Geologists complain that when they want specimens of the common rocks of a country, they receive curious spars; just so, historians give us the extraordinary events and omit just what we want,--the every-day life of each particular time and country.

He that is not open to conviction is not qualified for discussion.

Falsehood is difficult to be maintained. When the materials of a building are solid blocks of stone, very rude architecture will suffice; but a structure of rotten materials needs the most careful adjustment to make it stand at all.