There are no have-to's, just choices

You can't move so fast that you try to change the mores faster than people can accept it.

We do not move forward by curtailing people's liberty because we are afraid of what they may do or say.

We must want for others, not ourselves alone.

it is always easier to do nothing than to try a new line of action.

Because they have so little, children must rely on imagination rather than experience.

I consider those are rich who are doing something they feel worthwhile and which they enjoy doing.