What common phrase is represented by the below lines

Easy going:
Weak, 'I'm going.'
Tough, 'I'm staying.'

Medium going:
Weak, 'I'm going.'
Tough, 'I'm staying.'

Tough going:
Weak, 'I can't do it, I'm staying!'
Tough, 'Let's get going.'

It is a six-letter word.
The first four letters are me.
The second and last letters are the same.
The fourth second and last letter is payment.

Who is it?

There's one "sport" in which neither the spectators nor the participants know the score or the leader until the contest ends.

What is it?

I am lying and I always lie. Tell me whether I am lying or telling the truth.

Keyboard words are not in alphabetical order, Why?

What came first, the chicken or the egg?

It spends most of its day eating white, but when it’s quick enough, it gets to eat fruit and sometimes some blue things. It’s in a dark room, where the walls are blue, it runs from a ghost that roams the halls and haunts it all the time. What is it?

I travel all around the world but always stay in the corner. What am I?

What 8 letter word can have a letter taken away and it still makes a word. Take another letter away and it still makes a word. Keep on doing that until you have one letter left. What is the word?

If you drop me I’m sure to crack, but give me a smile and I’ll always smile back. What am I?