Man, if he compare himself ...

Man, if he compare himself with all that he can see, is at the zenith of power; but if he compare himself with all that he can conceive, he is at the nadir of weakness.
Man, if he compare himself with all that he can see, is at the zenith of power; but if he compare himself with all that he can conceive, he is at the nadir of weakness.

More phrases

If a man watches three football games in a row, he should be declared legally dead.
The truth is not for all men, but only for those who seek it.
A man must be big enough to admit his mistakes, smart enough to profit from them, and strong enough to correct them.
Each man has his own vocation; his talent is his call. There is one direction in which all space is open to him.
The superior man is modest in his speech but exceeds in his actions.

Quotes from the same author

True friendship is like sound health; the value of it is seldom known until it is lost.
An Irish man fights before he reasons, a Scotchman reasons before he fights, an Englishman is not particular as to the order of precedence, but will do either to accommodate his customers.
In great cities men are more callous both to the happiness and the misery of others, than in the country; for they are constantly in the habit of seeing both extremes.
Men will wrangle for religion, write for it, fight for it, die for it; anything but live for it.
For one man who sincerely pities our misfortunes, there are a thousand who sincerely hate our success.