Discipline is the mark of intelligent living.
Discipline trains you to put up with disappointments, every rose has a thorn.
Spiritual education is not a distinct and separate discipline; it is part and parcel of all types and levels of education, In fact, it is the very foundation on which a lasting edifice can be built.
Together with worldly education, you have to cultivate the human values and undertake spiritual discipline.
All religions teach one basic discipline - the removal from the mind of the blemish of egoism, of running after little joys.