While there is a chance of the world getting through its troubles, I hold that a reasonable man has to behave as though he were sure of it. If at the end your cheerfulness is not justified, at any rate you will have been cheerful.
I think of life itself now as a wonderful play that I've written for myself... and so my purpose is to have the utmost fun playing my part.
It is not the circumstances in which we are placed, but the spirit in which we face them, that constitutes our comfort.
Live your life each day as you would climb a mountain. An occasional glance towards the summit keeps the goal in mind, but many beautiful scenes are to be observed from each new vantage point.
One must have the adventurous daring to accept oneself as a bundle of possibilities and undertake the most interesting game in the world -- making the most of one's best.
Most true happiness comes from one's inner life, from the disposition of the mind and soul. Admittedly, a good inner life is hard to achieve, especially in these trying times. It takes reflection and contemplation and self-discipline.
Seek out that particular mental attribute which makes you feel most deeply and vitally alive, along with which comes the inner voice which says, "This is the real me," and when you have found that attitude, follow it.
Goodwill is the mightiest practical force in the universe.
Optimism is essential to achievement and it is also the foundation of courage and true progress.
Most of us can, if we choose, make this world either a prison or a palace.