Be silent when you are criticised so that you can hear the critiques well!
To see the big picture, get out of the dark valleys, climb to the sunny summits!
Don't live in the castles; freedom is in the fields! But I can also say: Don't live in the fields; security is in the castles!
To fly up to the sky and watch the earth is beautiful; to fly down to the earth and watch the sky is even more beautiful!
The secret of success lies in this simple sentence: Why not?
Without birds, trees would be very lonely and men too!