Rajesh Koothrappali: You can’t just fund your own project.
Leonard Hofstadter: Uh, it turns out I can, and I did.
Sheldon Cooper: Interesting. What about not wanting everybody to be mad at you?
Leonard Hofstadter: Well, I realized that, no matter what decision I made, people were gonna be mad at me. And this way, I get a laser.
Sheldon Cooper: That is the most selfish thing you’ve ever done. I’m proud of you.
Leonard Hofstadter: And I don’t care.
Sheldon Cooper: Yes, you do.
Leonard Hofstadter: Yeah, I do.
From The Big Bang Theory – Season 12 Episode 7: ‘The Grant Allocation Derivation’ (12×07)