minus and plus have "us" common

You're going to go through tough times - that's life. But I say, "Nothing happens to you, it happens for you". See the positive in negative events.
- Joel Osteen

What's your present today

"Quit, don't quit. Noodles, don't noodles. You are too concerned with what was and what will be. There's a saying: 'Yesterday is history, tomorrow is a mystery, but today is a gift…that is why it is called the present." 
- Master Oogway, 
From the movie KungFu Panda

Fight or Fly but not fear

Extreme fear can neither fight nor fly. 
- William Shakespeare, "The Rape of Lucrece"

Q&A

You cannot discover the purpose of life by asking someone else - the only way you'll ever get the right answer is by asking yourself.

way to perfect lives, knowledge and design

Perfection is achieved, not when there is nothing more to add, but when there is nothing left to take away.
Antoine de Saint-Exupéry, Airman's Odyssey

When you want to know how things really work, study them when they're coming apart.
William Gibson, Zero History

there are people who live their whole lives on the default settings never realizing you can customize 

a short one about a long one

Don't worry. Life's too long.
- Vincent Sardi, Jr. 

Think before you wish

Our inventions mirror our secret wishes.