Neil Armstrong

I hope you become comfortable with the use of logic without being deceived into concluding that logic will inevitably lead you to the correct conclusion.

Houston, Tranquility Base here. The eagle has landed.

That's one small step for a man, one giant leap for mankind.

That's one small step for [a] man, one giant leap for mankind.

That's one small step for man, one giant leap for mankind.

Mystery creates wonder and wonder is the basis of man's desire to understand.