Change is needed but cannot come from the bottom up.

We want to thank you from the bottom of our heart.

He worked his way up from the bottom for a couple of weeks.

I wasn't on top any more and had to start back from the bottom.

Still, I love you from the bottom of my heart.

"I wanted to work my way up from the bottom"

Let's start from the bottom and work our way up.

We had to start from the bottom and work our way up.

I thank you for them from the bottom of my heart.

I thank you today from the bottom of my heart!