“A world without problems is an illusion, so is a world without solutions.”

“The world does so well without me, that I am moved to wish that I could do equally well without the world.”

“There is no place so dangerous as a world without magic.”

“The problem of establishing a perfect civic constitution is dependent upon the problem of a lawful external relation among states and cannot be solved without a solution of the latter problem.”

“A world without delight and without affection is a world destitute of value.”

“[Knowing how to suffer without complaining is the only practical thing, it's the great science, the lesson to learn, the solution to the problem of life. ]”

“In a world that changes at an exponential rate, members of such world community have to be very proficient in finding reasonable solutions to the problems that they face by themselves.”

“Great literature, past or present, is the expression of great knowledge of the human heart; great art is the expression of a solution of the conflict between the demands of the world without and that within…”

“As there is a use in medicine for poisons, so the world cannot move without rogues.”

“A world without love would be no world.”