The joy in life is his who has the heart to demand it.
We must be willing to fail and to appreciate the truth that often 'Life is not a problem to be solved, but a mystery to be lived.'
One does not become enlightened by imagining figures of light, but by making the darkness conscious.
Even truth needs to be clad in new garments if it is to appeal to a new age.
Every person who ever thought he had a right to assert, and went boldly and asserted it, himself, or jointly with others that shared his convictions, was a direct actionist.
A beautiful thing never gives so much pain as does failing to hear and see it.
Science is the outcome of being prepared to live without certainty and therefore a mark of maturity. It embraces doubt and loose ends.
The more you live in the present moment, the more the fear of death disappears.
One day, in retrospect, the years of struggle will strike you as the most beautiful.
To conceal anything from those to whom I am attached, is not in my nature. I can never close my lips where I have opened my heart.
He who kisses joy as it flies by will live in eternity's sunrise.
What is that you express in your eyes? It seems to me more than all the words I have read in my life.
Until you make the unconscious conscious, it will direct your life and you will call it fate.
We all learn lessons in life. Some stick, some don't. I have always learned more from rejection and failure than from acceptance and success.
In the long history of humankind (and animal kind, too) those who learned to collaborate and improvise most effectively have prevailed
Concision in style, precision in thought, decision in life.
If you have zest and enthusiasm, you attract zest and enthusiasm. Life does give back in kind.
Doubt must be no more than vigilance, otherwise it can become dangerous.
I always like to look on the optimistic side of life, but I am realistic enough to know that life is a complex matter.
To live is the rarest thing in the world. Most people exist, that is all.
Nature is not human-hearted.