When people say you can't do it - that it's impossible - never lose hope. Just because they couldn't doesn't mean you can't.
The dollar is the reserve currency of the world.
We are reminded that in the fleeting time we have on this Earth, what matters is not wealth or status or power or fame, but rather how well we have Loved and what small part we have played in making the lives of other people better.
You can’t let your failures define you. You have to let your failures teach you.
Keep exploring. Keep dreaming. Keep asking why. Don’t settle for what you already know. Never stop believing in the power of your ideas, your imagination, your hard work to change the world.
Change will not come if we wait for some other person or some other time. We are the ones we've been waiting for. We are the change that we seek.
Don't be afraid to ask questions. Don't be afraid to ask for help when you need it. I do that every day. Asking for help isn't a sign of weakness, it's a sign of strength. It shows you have the courage to admit when you don't know something, and then allows you to learn something new.
Whoever despises himself nonetheless respects himself as one who despises.
Never get too hung up on mistakes.
Humanity's greatest challenge may soon be just making it to the next harvest.
In an experiment by Dr. Robert Emmons at the University of California–Davis, people who kept a ‘gratitude journal,’ a weekly record of things they felt grateful for, enjoyed better physical health, were more optimistic, exercised more regularly, and described themselves as happier than a control group who didn’t keep journals.