“The climate crisis is not a political issue; it is a moral and spiritual challenge to all of humanity. It is also our greatest opportunity to lift global consciousness to a higher level.”

In order to solve the climate crisis, we need to solve the democracy crisis.

Hurricane Sandy is a disturbing sign of things to come. We must heed this warning and act quickly to solve the climate crisis. Dirty energy makes dirty weather.

Mother Nature does not do bailouts.

Today I challenge our nation to commit to producing 100 percent of our electricity from renewable energy and truly clean carbon-free sources within 10 years.

Take it from me, every vote counts.

I think the cost of energy will come down when we make this transition to renewable energy.

Take it from me: Elections matter.

Atheists have just as much of a right to the public discourse as any … people of any religious faith in this country.

The Congress is virtually incapable of passing any reforms unless they first get permission from the powerful special interests who are most affected by the proposal.

Airplane travel is nature’s way of making you look like your passport photo.

The global environment crisis is, as we say in Tennessee, real as rain, and I cannot stand the thought of leaving my children with a degraded earth and a diminished future.

I pledge to you today that as president, in my first budget, I will introduce the largest increase in special education ever.

We all know the leopard can’t change his stripes.

The moral imperative to make big changes is inescapable…that what we take for granted may not be here for our children

As many know, the Chinese expression for “crisis” consists of two characters side by side. The first is the symbol for “danger,” the second the symbol for “opportunity.”

When you have the facts on your side, argue the facts. When you have the law on your side, argue the law. When you have neither, holler.

Confront a corpse at least once. The absolute absence of life is the most disturbing and challenging confrontation you will ever have.

The masculine grows by challenge, but the feminine grows by praise. A man must be unabashed and expressed in his appreciation for his woman. Praise her freely.

Always challenge the old ways.

Selecting your next challenge in life, choose one that is meaningful and will demand your complete concentration.

Challenges make you discover things about yourself that you never really knew.

The challenge of the retail business is the human condition.

As you step every day and we’re going to see challenges, we going to see failures, we should certainly learn from the failures and be gracious with our successes too as well.

For every disability you have, you are blessed with more than enough abilities to overcome your challenges.