智者属于所有国家，因为伟大灵魂的家园是整个世界。

Pain research is not just about alleviating suffering; it's about understanding a fundamental aspect of human biology.

The good times of today, are the sad thoughts of tomorrow.

Every child should have mud pies, grasshoppers, water bugs, tadpoles, frogs, mud turtles, elderberries, wild strawberries, acorns, chestnuts, trees to climb, brooks to wade in, water lilies, woodchucks, bats, bees, butterflies, various animals to pet, hayfields, pine-cones, rocks to roll, sand, snakes, huckleberries and hornets; and any child who has been deprived of these has been deprived of the best part of education.

The essential function of art is moral.