Who said "I must be patient with my experiments."?

This quote is attributed to Dexter.

I must be patient with my experiments. - Dexter

"I must be patient with my experiments."

Dexter Patience

"What does this button do?"

"I must focus on my work."

"Science rules!"

"Dee Dee, get out of my laboratory!"

"Patience is a virtue I'm still learning."

"I may be a redhead, but I'm not a hothead."

"Patience is a virtue."

"Patience is a virtue I never learned."