The world is nothing but change, our life is only perception.

You must become an old man in good time if you wish to be an old man long.

Nature which governs the whole will soon change all things which you see, and out of their substance will make other things and again other things... in order that the world may be ever new.

Why should any of these things that happen externally distract thee? Give thyself leisure to learn some good thing: cease roving to and fro.

Past and future have no power over you. Just the present - and even that can be minimized.

When you find an unwillingness to rise early in the morning, endeavor to rouse your faculties, and act up to your kind, and consider that you have to do the business of a man; and that action is both beneficial and the end of your being.

For outward show is a wonderful perverter of the reason.