Long Story Short

Used to indicate that you are giving a brief summary

Mind-Blowing

Extremely impressive, surprising, or exciting

Strike While the Iron Is Hot

To act at the right moment when circumstances are favorable

Don't Judge a Book by Its Cover

Do not judge something by its appearance alone

Storm in a Teacup

A lot of commotion or fuss about a trivial matter

Step by Step

Gradually, one stage at a time