Many people will walk in and out of your life, but only true friends will leave footprints in your heart.

Many people will walk in and out of your life, but only true friends will leave footprints in your heart.

许多人会在你的生活中进进出出，但只有真正的朋友才会在你的心中留下脚印。

-- Eleanor Roosevelt 埃莉诺·罗斯福