Tomorrow I'll try again, and the day after that, and the day... - Plankton

"Tomorrow I'll try again, and the day after that, and the day after that."

Plankton Perseverance

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"I'm ready to take over the world!"

"The secret formula is mine!"

"I'm going to steal the Krabby Patty secret formula and become rich!"

"SpongeBob, you're no match for my genius!"

"Perseverance is the key to success."

"Don't give up on what you believe in."

"I've been through worse."

"You learn to live with the pain."