Rumors are extremely dangerous. Competitors and colleagues alike share incorrect, negative information about you, these rumors can spread like wildfire and quickly shipwreck your career. Make sure that your peers know and understand you, show courtesy and respect for others, and avoid all types of arrogance; if you can do these things, you can mitigate the likelihood and potential damage of rumors.

You must hone your ability to block out external stimuli and focus solely on the work you provide for your employer, not what you can take from the company. High focus leads to high productivity, which in turn leads to high value. Attaining such a high degree of focus will make you much in demand in the business world and in society at large. Productivity should be measures either by you, or by your employer, and the most successful companies are usually those who prioritize keeping track of their employees’ productivity.

Cherish your dreams, goals, and aspirations both while you are seeking them and after you attain them. If you dream of doing something, never stop short of the finish line. There is no point to goals or dreams if you do not enjoy and nurture the results once you achieve them; if you achieve something, you should make the most of it. If you stop caring once you achieve your goals, then you will never truly appreciate any of the goals you achieve in the future.

Make a list of the bonuses that you can offer an employer if hired, whether they be contracts or additional capabilities. Your extra assets may form a tipping point in the employer’s decision whether or not to hire you. Many businesses and career failures result from people focusing on their own needs rather than the incentives that they can offer others.

In this article, Harrison explains how nothing is permanent, everything faces a change at some point or another, and that everyone should possess the ability to readjust to the new situation. Your responsibilities and daily duties could end, businesses could end, and jobs could be lost without a reason or warning. You need to accept the fact that anything is possible and the comfort zone in which you might be in may just vanish one fine day. It is on such a situation that your ability to be flexible counts most. Learning new things, being with new colleagues, holding new responsibilities should be accepted very positively. Dramatic changes could occur in the job scenario, but you need to be ready for the change. You should never hold on to the past and constantly look towards the future. Change is natural and inevitable and Harrison believes that it should pave a path for progress and development.

Develop the art of resisting those things that give you instant gratification. While attractive, these things are usually short-lived and ultimately lead to failure and disappointment. You must develop tremendous strength and willpower to resist these things; this resistance capability distinguishes true leaders.

Here are 21 pieces of career advice no one ever gives you from well-known career advice expert and legal recruiter Harrison Barnes.