Because life will batter you and you'll have a surer sense of what's important and has meaning and is good.

WSJ: The Presidential Wheel Turns

The spiritual dimension is your commitment to a value system meaning you have one which is an important pillar in your life.

FORBES: The 7th Habit

She emphasized on education as the most important medium for promoting peace, tolerance and meaning of being global citizens which definitely will have a long term impact for development of a pluralistic society.

UNESCO: CULTURE