My son, we would all be lucky to have a heart as big as yours. In fact, Gobei will not become a great ninja until he learns that lesson.

12 seconds sound clip from the Beverly Hills Ninja movie soundboard.

You can hear this line at 01:05:51 in the Blu-ray version of the movie.

Quote context

[...]

- How are you, my son?

- I have tried, but I have failed.

- That is never true.

- I want so desperately to be a great ninja like Gobei, but...

- You must stop comparing yourself to Gobei.

- Why, Sensei? He is the best ninja ever. I hope that he knows that I love him. All I have ever wanted was his respect.

- My son, we would all be lucky to have a heart as big as yours. In fact, Gobei will not become a great ninja until he learns that lesson.

- I tried to stop this mission because I feared for you. But I was wrong. You must continue.

- I must?

- Yes.

- Go. Save Alison. It is your duty as a ninja.

- Sensei, you just called me a ninja.

- Yes, I guess I did.

- Go now.

[...]