The motivation of all religious practice is similar: love, sincerity, honesty. The way of life of practically all religious persons is consistent. The teachings of tolerance, love, and compassion are the same.
With ideas it is like with dizzy heights you climb: At first they cause you discomfort and you are anxious to get down, distrustful of your own powers; but soon the remoteness of the turmoil of life and the inspiring influence of the altitude calm your blood; your step gets firm and sure and you begin to look - for dizzier heights.
Some believe all that parents, tutors, and kindred believe. They take their principles by inheritance, and defend them as they would their estates, because they are born heirs to them.
No man is an island, entire of itself; every man is a piece of the continent, a part of the main. If a clod be washed away by the sea, Europe is the less, as well as if a promontory were, as well as if a manor of thy friend's or of thine own were: any man's death diminishes me, because I am involved in mankind, and therefore never send to know for whom the bells tolls; it tolls for thee.
If I am only happy for myself, many fewer chances for happiness. If I am happy when good things happen to other people, billions more chances to be happy!