Perhaps man is the only being that can properly be called idle.

...it will not always happen that the success of a poet is proportionate to his labor.

It is commonly observed, that when two Englishmen meet, their first talk is of the weather; they are in haste to tell each other, what each must already know, that it is hot or cold, bright or cloudy, windy or calm.

No place affords a more striking conviction of the vanity of human hopes than a public library.

Nothing is more idle than to inquire after happiness, which nature has kindly placed within our reach.

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.

A student may easily exhaust his life in comparing divines and moralists without any practical regard to morals and religion; he may be learning not to live but to reason... while the chief use of his volumes is unthought of, his mind is unaffected, and his life is unreformed.