He that cannot obey, cannot command.

Old boys have their playthings as well as young ones; the difference is only in the price.

Remember, Sir, that [England] began the slave trade!

I think also, that general virtue is more probably to be expected and obtained from the education of youth, than from exhortations of adult persons; bad habits and vices of the mind being, like diseases of the body, more easily prevented than cured. I think moreover, that talents for the education of youth are the gift of God; and that he on whom they are bestowed, whenever a way is opened for use of them, is as strongly called as if he heard a voice from heaven.

Since thou are not sure of a minute, throw not away an hour.

I would advise you to read with a pen in your hand and enter in a little book short hints of what you feel that is common or that may be useful; for this will be the best method of imprinting such portcullis in your memory.

He that rises late must trot all day.