Love is the only sane and satisfactory answer to the problem of human existence. Erich Fromm
Every child is an artist. The problem is to remain an artist once he grows up. Pablo Picasso
The direct use of physical force is so poor a solution to the problem of limited resources that it is commonly employed only by small children and great nations. David Friedman
A dispute can only be resolved by discussing the problem openly and coolly. Indonesian Proverb
If you're not part of the solution, you're part of the problem. African Proverb
In an instant illumination can be achieved, it is as easy as turning on a light, the problem is finding the switch in the dark. Moroccan Proverb