Depend

"Happiness does not depend on the external environment it always depends on the internal environment."

"A man's usefulness depends upon his living up to his ideals insofar as he can."

"Purity or impurity depends on oneself, No one can purify another."

"Happiness depends more upon the internal frame of a person’s own mind, than on the externals in the world."

"My solitude doesn’t depend on the presence or absence of people; on the contrary, I hate who steals my solitude without, in exchange, offering me true company."

"It is not inequality which is the real misfortune, it is dependence."

"The happiness of your life depends upon the quality of your thoughts."

"Beauty of style and harmony and grace and good rhythm depend on simplicity."

"Our enjoyment of the great works of literature depends more upon the depth of our sympathy than upon our understanding."

"Happiness does not depend on what you have or who you are, it solely relies on what you think."

"Your tomorrow depends entirely on what you do today."

"The man who makes everything that leads to happiness depends upon himself, and not upon other men, has adopted the very best plan for living happily. This is the man of moderation, the man of manly character and of wisdom."