There are many fools in the world; there are many people to trick.

Alternative form of as if there were no tomorrow

It is easy; it is simple.

There is a bad person in any group.

Used to encourage people to seek knowledge by asking questions, no matter how silly the questions may appear to be.

(vulgar, potentially offensive) Once someone has grown pubic hair or started puberty, they are old enough for sexual intercourse.

(colloquial, usually with a following present participle or infinitive expression) Used to indicate that the specified action cannot succeed or offers no advantage if successful

No matter how large or intimidating a person or thing is, there is likely to be an even larger or more intimidating person or thing somewhere.

Synonym of there may be snow on the rooftop but there is fire in the furnace

You shouldn't be upset over something that can't be undone.