“Only the shallow know themselves”

“Seriousness is the only refuge of the shallow.”

“With subtle and finely-wrought temperaments it is always so. Their strong passions must either bruise or bend. They either slay the man, or themselves die. Shallow sorrows and shallow loves live on. The loves and the sorrows that are great are destroyed by their own plenitude. ”

“It is only shallow people who do not judge by appearances. The true mystery of the world is the visible, not the invisible....”

“shallow sorrows and shallow loves live on. the loves and sorrows that are great are destroyed by their own plenitude”

“The supreme vice is shallowness.”

“Sincerity is the last refuge of the shallow.”