《当幸福来敲门》作为经典励志电影，其经典语句广为流传，以下是其中最具代表性的几句：

"You have a dream, you got to protect it."

克里斯·加德纳的经典座右铭，强调守护梦想的重要性。

"People can't do something by themselves； they wanna tell you you cannot."

这句话揭示了人们在面对失败时倾向于自我否定，而非自我突破的心理机制。

"The only way to do great work is to love what you do."

虽然未直接出自电影，但与电影传递的奋斗精神高度契合，常被引用为励志格言。

"Life is not about finding yourself. Life is about creating yourself."

强调主动创造人生而非被动等待，与电影中主人公的奋斗历程呼应。

"Success is not final, failure is not fatal: It is the courage to continue that counts."

体现电影中主人公在困境中坚持的勇气，成为激励后人的经典语录。

"I'm the type of person who doesn't give up. I'm the type of person who keeps going."

展现主人公坚韧不拔的性格，成为影片精神内核的浓缩表达。

这些语句通过简洁有力的语言，传递出坚持、勇气与希望的核心价值，成为跨越时空的励志经典。