Nothing is more dangerous than an idea, when it's the only one we have.
The world is in greater peril from those who tolerate or encourage evil than from those who actually commit it.
But where the danger is, also grows the saving power.
Convictions are more dangerous enemies of truth than lies.
A very dangerous state of mind: thinking one understands.
It's too late to ask for advice when the danger comes.
The most dangerous worldview is the worldview of those who have not viewed the world.
Great perils have this beauty, that they bring to light the fraternity of strangers.
The chief danger in life is that you may take too many precautions.
The danger of success is that it makes us forget the world's dreadful injustice.
Learning without thought is labor lost thought without learning is perilous.
An error is the more dangerous in proportion to the degree of truth which it contains.
Truth is mysterious, elusive, always to be conquered. Liberty is dangerous, as hard to live with as it is elating. We must march toward these two goals, painfully but resolutely, certain in advance of our failings on so long a road.
Inability to accept the mystic experience is more than an intellectual handicap. Lack of awareness of the basic unity of organism and environment is a serious and dangerous hallucination. For in a civilization equipped with immense technological power, the sense of alienation between man and nature leads to the use of technology in a hostile spirit – to the ‚conquest‘ of nature instead of intelligent co-operation with nature.
And knows that to win without danger is to win without glory.
No one can answer for his courage when he has never been in danger.
When I hear music, I fear no danger. I am invulnerable. I see no foe. I am related to the earliest times, and to the latest.
The amount of eccentricity in a society has generally been proportional to the amount of genius, mental vigor, and moral courage it contained. That so few now dare to be eccentric marks the chief danger of the time.
If a little dreaming is dangerous, the cure for it is not to dream less but to dream more, to dream all the time.
To conquer without risk is to triumph without glory.
The passions possess a certain injustice and self interest which makes it dangerous to follow them, and in reality we should distrust them even when they appear most trustworthy.
In a battle all you need to make you fight is a little hot blood and the knowledge that it's more dangerous to lose than to win.
Success is dangerous. One begins to copy oneself, and to copy oneself is more dangerous than to copy others. It leads to sterility.
A lie would have no sense unless the truth were felt dangerous.
Beware of false knowledge it is more dangerous than ignorance.
Never was anything great achieved without danger.
He who learns but does not think, is lost! He who thinks but does not learn is in great danger.
The wise man does not expose himself needlessly to danger, since there are few things for which he cares sufficiently but he is willing, in great crises, to give even his life - knowing that under certain conditions it is not worthwhile to live.
