Yesterday's just a memory, tomorrow is never what it's supposed to be.

Yesterday's just a memory, tomorrow is never what it's supposed to be.

Yesterday is but today's memory, and tomorrow is today's dream.

It's hard to speculate what tomorrow may bring.

If today was half as good as tomorrow is supposed to be, it would probably be twice as good as yesterday was.

If today were half as good as tomorrow is supposed to be, it would probably be twice as good as yesterday was.