Sincere repudiation requires sufficient comprehension of that which you repudiate to provide justification should your opposition face challenge or scrutiny.

Spend neither time nor energy debating your detractors.

Never underestimate the value of careful observation. You will learn more by watching, listening, and experiencing the outer and inner worlds with a clear mind than you will ever learn by talking, or by trying to demonstrate your intellectual prowess to others.

A body that cannot obey the dictates of the will is nothing more than a corpse that has not yet expired.

What answers directly to the exertion of your will? That, and only that, is your business. Do not invite needless distress and perturbation by insisting that the world must conform to your expectations or whims. Who, after all, do you think you are? Control the very small sphere that answers to your direction. As for the rest, cultivate gratitude f

The length of your life is not nearly as important as the quality of the person living it. Far better for you that you should live a shorter, but nobler life, than that you should continue in malingering mediocrity.

Live one day in nobility, and you will have accomplished more than ten thousand lives of desperate, quarrelsome, hapless commoners.

You can control nothing other than your own attitudes, values, and efforts directed at mental discipline. The rest of the world is as it is, will be as it will be, and unfolds as it does with or without your consent.

The only real failure is insufficient self-discipline or inadequate effort aimed at self-improvement.