Can You Complete The Quotations From These Famous Figures?

There's no doubt that you've heard these sayings a million times. They've come from some of the greatest minds and biggest personalities ever, so it's no secret why they've made the history books. But while they might be familiar, do you really know these quotations? See if you can fill in the blanks without making too many mistakes.

"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 _____.'"

- Martin Luther King Jr.

"In three words I can sum up everything I've learned about life: _____."

- Robert Frost

"It is not the strongest or the most intelligent who will survive but those who can best _____."

- Charles Darwin

"I am not afraid of an army of lions led by a _____; I am afraid of an army of _____ led by a lion."

- Alexander the Great