《Yesterday》是披頭士樂隊的歌曲，由里歐娜·路易斯演唱，歌詞由約翰·列儂創作。以下是《Yesterday》的部分歌詞：
Yesterday, all my troubles seemed so far away.
Now it seems that only yesterday.
It was a long, long time ago.
Before I knew what I was gonna do.
Oh, I couldn't see the whole picture, but I knew it was out there.
It was a long, long time ago.
'Cos yesterday. I woke up with the morning light.
And it came to me I might get away.
You know it seems a pity that it had to be, that the love I thought was here to stay.
Now it's just another tomorrow.
'Cos yesterday, suddenly there's a day to say goodbye.
And I never thought that I would cry.
But now I know the way to feel, and it goes on and on forever.
Yesterday, forever in my mind.
It was a long, long time ago.
Before I knew what I was gonna do.
Oh, I couldn't see the whole picture, but I knew it was out there.
Now it's just another tomorrow.
(Bridge) Oh, yeah, yeah, yeah, yeah.
Oh, yeah, yeah, yeah, yeah.
(Chorus) Yesterday, forever in my mind.
Forever in my mind.
Yesterday, forever in my heart.
Forever in my heart.
Oh, yeah, yeah, yeah, yeah.