When you are annoyed at someone's mistake, immediately look at yourself and reflect how you also fail; for example, in thinking that good equals money, or pleasure, or a bit of fame. By being mindful of this you'll quickly forget your anger, especially if you realize that the person was under stress, and could do little else. And, if you can, find a way to alleviate that stress.

The happiness of your life depends upon the quality of your thoughts: therefore, guard accordingly, and take care that you entertain no notions unsuitable to virtue and reasonable nature.

Both happiness and unhappiness depend on perception

The longest-lived and the shortest-lived man, when they come to die, lose one and the same thing.

Everything is born from change. ...there is nothing nature loves more that to alter what exists and make new things like it. All that exists is the seed of what will emerge from it. You think the only seeds are the one that make plants and children? Go deeper.

Give yourself a gift: the present moment.

In reading and writing, you cannot lay down rules until you have learnt to obey them. Much more so in life.