And he who does not know himself does not know others, so it may be said with equal truth, that he who does not know others knows himself but very imperfectly.

Those who, either from their own engagements and hurry of business, or from indolence, or from conceit and vanity, have neglected looking out of themselves, as far as my experience and observation reach, have from that time not only ceased to advance, and improve in their performances, but have gone backward. They may be compared to men who have lived upon their principal, till they are reduced to beggary, and left without resources.

A mere copier of nature can never produce anything great.

There is no expedient to which a man will not resort to avoid the real labor of thinking.

I am convinced that this is the only means of advancing science, of clearing the mind from a confused heap of contradictory observations, that do but perplex and puzzle the Student, when he compares them, or misguide him if he gives himself up to their authority; but bringing them under one general head, can alone give rest and satisfaction to an inquisitive mind.

Gardening as far as Gardening is Art, or entitled to that appellation, is a deviation from nature; for if the true taste consists, as many hold, in banishing every appearance of Art, or any traces of the footsteps of man, it would then be no longer a Garden.

Excellence is never granted to man, but as the reward of labour.