No man should attempt to teach others what he has never learned himself

It is very natural for young men to be vehement, acrimonious and severe. For as they seldom comprehend at once all the consequences of a position, or perceive the difficulties by which cooler and more experienced reasoners are restrained from confidence, they form their conclusions with great precipitance. Seeing nothing that can darken or embarrass the question, they expect to find their own opinion universally prevalent, and are inclined to impute uncertainty and hesitation to want of honesty, rather than of knowledge.

In traveling, a man must carry knowledge with him, if he would bring home knowledge.

Poetry cannot be translated; and, therefore, it is the poets that preserve the languages; for we would not be at the trouble to learn a language if we could have all that is written in it just as well in a translation. But as the beauties of poetry cannot be preserved in any language except that in which it was originally written, we learn the language.

It was the peculiar artifice of Habit not to suffer her power to be felt at first. Those whom she led, she had the address of appearing only to attend, but was continually doubling her chains upon her companions; which were so slender in themselves, and so silently fastened, that while the attention was engaged by other objects, they were not easily perceived. Each link grew tighter as it had been longer worn; and when by continual additions they became so heavy as to be felt, they were very frequently too strong to be broken.

It matters not how a man dies, but how he lives. The act of dying is not of importance, it lasts so short a time.

I am sorry I have not learnt to play at cards. It is very useful in life: it generates kindness, and consolidates society.