He that travels in theory has no inconveniences.

The wickedness of a loose or profane author is more atrocious than that of a giddy libertine or drunken ravisher, not only because it extends its effects wider, as a pestilence that taints the air is more destructive than poison infused in a draught, but because it is committed with cool deliberation.

The truly strong and sound mind is the mind that can embrace equally great things and small.

But to the particular species of excellence men are directed, not by an ascendant planet or predominating humour, but by the first book which they read, some early conversation which they heard, or some accident which excited ardour and emulation.

I wish you would add an index rerum, that when the reader recollects any incident he may easily find it.

That eminence of learning is not to be gained without labour, at least equal to that which any other kind of greatness can require, will be allowed by those who wish to elevate the character of a scholar; since they cannot but know that every human acquisition is valuable in proportion to the difficulty of its attainment.

Presumption will be easily corrected; but timidity is a disease of the mind more obstinate and fatal.