Believe deep down in your heart that you're destined to do great things.

Deep down, I'm pretty superficial.

Deep down, I never wanted to see Mourinho fired. We experienced some very beautiful things together in 2015.

If we drive down the cost of transportation in space, we can do great things.

Deep down, there is in the substance of the cosmos a primordial disposition, sui generis, for self-arrangement and self-involution.

Deep down, I happen to be very shallow.