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.'

I have a five and a three-gallon jar. Assuming there is an infinite supply of water, how can I measure one-gallon water?

You Throw The Outside, Cook The Inside
Eat The Outside, Throw The Inside.

What Is It?

What is the Surname of Barbie Doll?

Can you spot the man between the coffee bean in the picture below ?

How can you throw a ball as hard as you can and have it come back to you even if it doesn't hit anything there is nothing attached to it and no one else catches or throws it.

Eight of us go fourth, not back, to protect our king from an attack. What are we?

Two men are in a desert. They both have packs on. One of the guys is dead. The guy alive has his pack open, and the guy who is dead has his pack closed. What is in the pack?

How many letters are in the alphabet?

Two trains start at the same time, one from Bangalore to Mysore and the other from Mysore to Bangalore. if they arrive at their destinations one hour and four hours respectively after passing one another, how much faster is one train running than the other?