What do you think is the difference between "fate" and "destiny"? I searched the internet for their definitions, but the more I read, the more confused I get.
mo3-39ex)Despite what you might think, luck isnít a matter of fate or destiny, according to research by psychologist Richard Wiseman. Instead, itís a result of the way lucky people think and act ― which means that anyone can learn to be lucky!
Destiny - Wikipedia, the free encyclopedia
Read the entry under Fate.
The author doesn't want to quibble about whether he means fate or destiny, or whether there is a difference of not, so he uses both. This is common.