Never esteem anything as of advantage to you that will make you break your word or lose your self-respect.

Remember that man lives only in the present, in this fleeting instant; all the rest of his life is either past and gone, or not yet revealed.

A man should always have these two rules in readiness. First, to do only what the reason of your ruling and legislating faculties suggest for the service of man. Second, to change your opinion whenever anyone at hand sets you right and unsettles you in an opinion, but this change of opinion should come only because you are persuaded that something is just or to the public advantage, not because it appears pleasant or increases your reputation.

To my great-grandfather I owed the advice to dispense with the education of the schools and have good masters at home instead - and to realize that no expense should be grudged for this purpose.

Think of all the years passed by in which you said to yourself "I'll do it tomorrow," and how the gods have again and again granted you periods of grace of which you have not availed yourself. It is time to realize that you are a member of the Universe, that you are born of Nature itself, and to know that a limit has been set to your time. Use every moment wisely, to perceive your inner refulgence, or 'twill be gone and nevermore within your reach.

One whose chief regard is for his own mind, and for the divinity within him and the service of its goodness, will strike no poses, utter no complaints, and crave neither for solitude nor yet for a crowd. Best of all, his life will be free from continual pursuing and avoiding.

Let not your mind run on what you lack as much as on what you have already.