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.'

Alex opened 24 presents
Jonah opened 8 presents
Clara opened 1 present

Can you find out how many presents were opened by Candy?

Yesterday I fell from 30 feet high ladder but I don't get hurt. Why?

Find out the number of circles in the given picture having Illusion

John named his first son Alpha, second Beta, third Charlie and fourth Delta. What is the fifth son's name?

If,

A + B = C
D - C = A
E - B = C

Based on the above equations, find out the answer for:

D + F = ?

A cat had three kittens: Snophy, Topsy and Jorden. What was the mother's name?

O_er_t_o_

Complete the missing letters of the given word.

A landlord calls both of his sons and tells them that their horses will now decide who will transfer the inheritance. He tells them to race along the land till the end and the one whose horse will be slower will win and be the heir to all the property.

Both of them keep wandering for days but to no result. Then they ask a wise man regarding it. The man advises them on the matter after which they jump on the horses and race as fast as they can till the end. Why did they do it?

What did the wise man say?

I never stop running even when I standstill. If I am formed by joining two identical bodies together, can you guess who I am?