If thou hast wit and learning, add to it wisdom and modesty.
If your head is made of wax, don't walk in the sun
My father's little library consisted chiefly of books in polemic divinity, most of which I read, and have since often regretted that, at a time when I had such a thirst for knowledge, more proper books had not fallen in my way since it was now resolved I should not be a clergyman.
There's small Revenge in Words, but Words may be greatly revenged
Men take more pains to mask than mend.
Lose no time; be always employed in something useful.