The soul becomes dyed with the color of its thoughts.

One universe made up all that is; and one God in it all, and one principle of being, and one law, the reason shared by all thinking creatures, and one truth.

The one thing worth living for is to keep one's soul pure.

For a man can lose neither the past nor the future; for how can one take from him that which is not his? So remember these two points: first, that each thing is of like form from everlasting and comes round again in its cycle, and that it signifies not whether a man shall look upon the same things for a hundred years or two hundred, or for an infinity of time; second, that the longest lived and the shortest lived man, when they come to die, lose one and the same thing.

Your mind will be like its habitual thoughts; for the soul becomes dyed with the color of its thoughts. Soak it then in such trains of thoughts as, for example: Where life is possible at all, a right life is possible.

A man should remove not only unnecessary acts, but also unnecessary thoughts, for then superfluous activity will not follow.

As for life, it is a battle and a sojourning in a strange land; but the fame that comes after is oblivion.