Why Mindset Mastery Is Vital to Your SuccessHow you think directly affects the outcomes you produce.

The single most important factor influencing a person's success -- whether personal or professional -- is mindset. What you think about consistently has a direct impact on your behavior, and not the other way around. So, it's important to get this fundamental ingredient right.

A seemingly small thing that makes a huge difference, mindset accounts for the primary distinction between those who succeed and those who do not. And, if you are serious about achieving success in any area of your life, you must learn to master yours.

Here are five key reasons why.

1. Developing healthy self-esteem

To successfully accomplish any worthwhile feat, a person must first feel capable of achieving it. It doesn't matter what anyone else thinks. Self-esteem is born of an internal dialogue that informs how we perceive and evaluate our worth, positively or negatively. It also frames our self-concept (the comprehensive view we have about ourselves).

Mindset -- a strong and positive one -- is essential to developing healthy self-esteem. It is an important tool that affects our daily self-dialogue and reinforces our most intimate beliefs, attitudes and feelings about ourselves. So, become the gatekeeper of your mind and plant seeds of positivity and inspiration rather than criticism and doubt.

Related:10 Mindsets That Will Radically Improve Your Business

2. Formulating a winning perspective

When it comes to success, there are few things more valuable than perspective. How we choose to attach meaning to events and circumstances has a profound effect on whether we view our glass as half full or half empty.Tony Robbinsis famous for his viewpoint on this topic, noting, "Nothing in life has any meaning except the meaning [we] give it."Touché.

The truth is that mindset has everything to do with perspective. Our foundational beliefs, attitudes and biases naturally affect the way we process information and experience the world around us. Having an optimistic mindset increases the likelihood of formulating a winning perspective and achieving long-term success.

3. Harnessing drive

Drive is the unwavering determination to achieve an important objective. It includes the process of developing a vision for success and engaging in sustained effort over time. Without drive, achieving most goals would be difficult at best.

Mindset is critical to drive. With the power to direct focus and encourage commitment to higher purpose, it can easily urge someone to challenge the status quo and push past comfort zones. People with drive are self-motivated and strive to accomplish more. They don't waste time complaining about their circumstances, but instead work with conviction to improve them.

Related:7 Mindsets That Guarantee Enduring Success

4. Facing adversity

No matter what goal you seek to achieve, the path to your success is bound to include some degree of adversity. If you want to get through the rough patches, however, you will need to develop thick skin and learn to face each challenge head on.

This is where mindset plays a critical role. Adversity tests one's mettle to the core. After facing an extreme hardship, a person may feel justified in succombing to defeat. For them, it can feel like an easy road. Yet, the capacity to move through the fire, get knocked down and not knocked out, is a true testament to the power of a resilient mindset.

5. Achieving the underlying goal

Goal-setting is a multi-faceted process, with achievement being the most obvious indicator of success. Nevertheless, without the proper mindset, you may not get that far. An undertaking that easily eludes even the most well-intentioned individuals, achieving a goal requires more than a mere lukewarm desire to succeed.

Mindset is where the rubber meets the road. Taken a step further,mental toughnessis what determines whether someone will dig deep and work through hardships to succeed, or simply claim defeat. It includes exercising courage, sustaining effort over long periods and leveraging self-talk to move through each pivotal phase, before ultimately accomplishing the underlying goal.

Are you ready to command your results? If so, make a conscious decision to master your mindset and reach for greater success in the new year and beyond.