Motivation is a complex internal state that drives people to act in a certain way, usually to achieve a goal:
Definition
Motivation is the reason why a person does something, and it's a crucial factor in achieving goals. It can also refer to the process of stimulating a person to act in a certain way.

Characteristics
Motivational states are characterized by their intensity, direction, and persistence.
Examples
Motivation can help people lose weight, get a promotion, or achieve other goals.

Importance
Motivation is important for achieving goals, and a lack of motivation can lead to mental illnesses like depression.
There are many ways to develop or improve self-motivation levels.

Quotes
Motivational quotes can be powerful reminders to keep up the good work. Some examples include:

"Don't worry about failures, worry about the chances you miss when you don't even try".

"Failure is the condiment that gives success its flavor".