Do every day or two something for no other reason than its difficulty.
The deepest principle in human nature is the craving to be appreciated.
Habit is a second nature, or rather, it is 'ten times nature'.
In the acquisition of a new habit, or the leaving off of an old one, we must take care to launch ourselves with as strong and decided an initiative as possible.
Nothing is so fatiguing as the eternal hanging on of an uncompleted task.
Religion is a monumental chapter in the history of human egotism.