Question

_____ my words, we will return better and more prepared than last time​

Answer 1

Answer:

Mark my words, we will return Better and more Prepared than last time.

If you say Mark my words to someone, you are emphasizing that something you have just warned them about is very likely to happen, especially when you think they should change their attitude or behaviour to prevent it.

Answer 2

Answer:

Mark my words, we will return better and more prepared than last time