给定一个英文文本，要求将其中的每个单词的首字母都大写。


文本: "i have a dream that one day this nation will rise up and live out the true meaning of its creed: we hold these truths to be self-evident: that all men are created equal."
"I Have A Dream That One Day This Nation Will Rise Up And Live Out The True Meaning Of Its Creed: We Hold These Truths To Be Self-Evident: That All Men Are Created Equal."