A child is a temporarily disabled and stunted version of a larger person, whom you will someday know. Your job is to help them overcome the disabilities associated with their size and inexperience so that they get on with being that larger person.
Before you begin a thing, remind yourself that difficulties and delays quite impossible to foresee are ahead. ... You can only see one thing clearly and that is your goal. Form a mental vision of that and cling to it through thick and thin.
The great enemy of clear language is insincerity. When there is a gap between one's real and one's declared aims, one turns as if it were instinctively to long words and exhausted idioms, like a cuttlefish squirting out ink.
It is the spur of ignorance, the consciousness of not understanding, and the curiosity about that which lies beyond that are essential to our progress.
If we only wanted to be happy it would be easy; but we want to be happier than other people, which is almost always difficult, since we think them happier than they are.