使式子$\sqrt{m-3}$有意义的最小整数m是____ 

Tom: Hello, Mary. Is this your pencil box?

Mary: No. It's not my pencil box. My pencil box is blue and new.

Tom: Is it Rose's pencil box?

Mary: No. Her pencil box is pink. This pencil box is green and old. What's in it?

Tom: There are four pencils, two pens, six crayons and one ruler.

Mary: Oh, I see. It is Jack's pencil box. His pencil box is lost (丢失).

Tom: OK, let's give (给) it to him.

每个人都会对自己的人生有一定的____，为自己设立____。