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.'

Do you know of a place where the wind blows south and then suddenly shifts direction towards the north?

When I got four, I have it none.
When I got two, I have it some.
When I got none, I have it all.

What is it?

If you paint a brown house white it will become a white house. If the stoplight changes from red to green, then the light is green. So, if you throw a white shirt into the Red Sea, what will it become?

What type of tree can I carry in my hand?

What is the value of 1/2 of 2/3 of 3/4 of 4/5 of 5/6 of 6/7 of 7/8 of 8/9 of 9/10 of 1000?

Luis Garavito killed Density x Volume.

Who is Luis Garavito ?

f you were running a race, and you passed the person in 2nd place, what place would you be in now?

A new clothing store has a unique method of pricing items. A vest costs $20, a tie costs $15, a blouse costs $30, and underwear costs $45. How much would pants cost?

You board a train. The train will have to enter a tunnel soon. You are claustrophobic. Which place is the best for you to sit?