“Complex problems are often open-ended and poorly defined”
“A woman's heart is such a complex problem - the owner thereof is often most incompetent to find the solution to this puzzle.”
“One always begins with the simple, then comes the complex, and by superior enlightenment one often reverts in the end to the simple. Such is the course of human intelligence.”
“There are no simple answers to complex problems.”
“My relationship with him was defined by these complex emotions, this mixture of gratitude and resentment.”
“I must be very complex, judging by the number of days determined to define me.”