easier said than done (easy to propose, but difficult to accomplish)

(figuratively, vulgar, derogatory) to think one's shit doesn't stink, to think the sun shines out of one's arse, to think one is the shit, to think one is the business, to think one is hot shit (to be full of oneself)

(transitive, informal, figuratively) to be sick of (something/someone), not to be able to stand the sight of (something/someone) anymore

the pen is mightier than the sword

(figuratively) to promise the moon, to promise the earth, to promise the stars (to make promises that one cannot uphold)

Alternative form of quand il n'y en a plus, il y en a encore

(figuratively) to have more than one trick up one's sleeve, to have more than one string to one's bow

(figuratively) to have more than one string to one's bow, to have more than one trick up one's sleeve

Alternative spelling of qui peut le plus peut le moins

he who can do more can do less