Man never made any material as resilient as the human spirit.
Life without Liberty is like a body without spirit. Liberty without thought is like a disturbed spirit.
What is a cynic? A man who knows the price of everything and the value of nothing.
Men always want to be a woman's first love - women like to be a man's last romance.
When it comes to life the critical thing is whether you take things for granted or take them with gratitude.
I love you when you bow in your mosque, kneel in your temple, pray in your church. For you and I are sons of one religion, and it is the spirit.
Make it your habit not to be critical about small things.
The spirit of self-sacrifice creates trust in the power of love.
My father, his spirit is with me constantly, and I'm a believer in that world and the world of dreams and that stuff.
No pessimist ever discovered the secrets of the stars.
The core of mans' spirit comes from new experiences.
Both now and for always, I intend to hold fast to my belief in the hidden strength of the human spirit.
Grudge no expense - yield to no opposition - forget fatigue - till, by the strength of prayer and sacrifice, the spirit of love shall have overcome .
Loyalty and devotion lead to bravery. Bravery leads to the spirit of self-sacrifice. The spirit of self-sacrifice creates trust in the power of love.
For a gallant spirit there can never be defeat.
There can only be one state of mind as you approach any profound test; total concentration, a spirit of togetherness, and strength.
Let there be no purpose in friendship save the deepening of the spirit.
The spirit of man is more important than mere physical strength, and the spiritual fiber of a nation than its wealth.
For someone who's had the level of success I've had, there's been very little critical review of my work, which is pretty fascinating.
The critical spirit never knows when to stop meddling.
There are many things behind a good novel, but in particular there is a lot of work - a lot of patience, a lot of stubbornness, and a critical spirit.
I am convinced that everything that is worth while in the world has been accomplished by the free, inquiring, critical spirit, and that the preservation of this spirit is more important than any social system whatsoever. But the men of ritual and the men of barbarism are capable of shutting up the men of science and silencing them forever.
The imagination imitates. It is the critical spirit that creates.
[About the great synthesis of atomic physics in the 1920s:] It was a heroic time. It was not the doing of any one man; it involved the collaboration of scores of scientists from many different lands. But from the first to last the deeply creative, subtle and critical spirit of Niels Bohr guided, restrained, deepened and finally transmuted the enterprise.
The puritanism of Christianity has played havoc with the moderation that an enlightened and tolerant critical spirit would have produced. I've noticed that in whatever country, county, town, or other region there is a regulation enjoining temperance, the population seems to be entirely composed of teetotallers and drunkards. There's a Bible on that shelf there. But I keep it next to Voltaire - poison and antidote.
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