Craven Schools Partnership " Find The Saying " C. D. April 10Th

[puzzld]

Hi everybody, stuck on 5 of these, all answers are sayings or phrases, all questions are dingbat style eg purposes written cross ways answer cross purposes

No.1) Picture shows what looks to me like a dog in a manger
No.12) A square with a large IT on the left hand side and a small it on the right
No.13) KCUM with an arrow over the top towards the M
No.16) 2 clouds with sun in between and pi sign below
No.25) Good Things written 5 times from top to bottom with a space between 4 and 5

As always any help appreciated and thanks in advance

[Toorak]

13 muck around?

[bookbinder]

25 all good things come to an end.

[Toorak]

16 pie in the sky?

[Fibonacci]

12 the long and short of it ?

[Fibonacci]

1 dog in the manger ?
https://www.dictionary.com/browse/dog-in-the-manger

[puzzld]

Thanks everybody, brilliant answers as usual

[puzzld]

Sorry everybody, missed one, it appears to be either a railway track or a ladder with an arrow going over it pointing to the word go

[Toorak]

Go off the rails?

[puzzld]

Many thanks Toorak and everyone else