Do every act of your life as if it were your last.

... Allow yourself a space of quiet, wherein you can add to your knowledge of the Good and learn to curb your restlessness. Guard also against another kind of error: the folly of those who weary their days in much business, but lack any aim on which their whole effort, nay, their whole thought, is focused.

It's normal to feel pain in your hands and feet, if you're using your feet as feet and your hands as hands. And for a human being to feel stress is normal - if he's living a normal life. And if it's normal, how can it be bad?

The stone that is thrown into the air is none the worse for falling down, and none the better for going up.

Aptitude found in the understanding and is often inherited. Genius coming from reason and imagination, rarely.

Observe always that everything is the result of a change, and get used to thinking that there is nothing Nature loves so well as to change existing forms and to make new ones like them.

To live happily is an inward power of the soul.