The initial idioms of the letter I

It is a wise child that knows its own father	It is all over with
It is better to be born lucky than rich	It is better to give than to receive
It is better to wear out than to rust out	It is easier to tear down than to build up
It is easy to be wise after the event	it is easy to find a stick to beat a dog
it is high time	It is never too late
It is never too late to learn	It is never too late to mend
it's no crime to (do something)	It is not work that kills, but worry
six and two threes	It is the last straw that breaks the camel's b
It is the pace that kills	it's to die
it's to laugh	it is what it is
It isn't worth it	It isn't worth the trouble
it just so happens	look like
It never rains but it pours	it pays to advertise
it remains to be seen	it stands to reason
it strikes me that	It sucks