Try these:
What has once happened, will invariably happen again, when the same circumstances which combined to produce it, shall again combine in the same way.
With the fearful strain that is on me night and day, if I did not laugh I should die.
Every time a student walks past a really urgent, expressive piece of architecture that belongs to his college, it can help reassure him that he does have that mind, does have that soul.
How can you prove whether at this moment we are sleeping, and all our thoughts are a dream, or whether we are awake, and talking to one another in the waking state?
One can never speak enough of the virtues, the dangers, the power of shared laughter.
What conditions of work, what kinds of work, what kinds of management, and what kinds of reward or pay will help human stature to grow healthy, to its fuller and fullest stature ? Classic economic theory, based as it is on an inadequate theory of hum.
If you treat your children at home in the same way you treat your animals in the lab, your wife will scratch your eyes out. My wife ferociously warned me against experimenting on her babies.
You need an infinite stretch of time ahead of you to start to think, infinite energy to make the smallest decision. The world is getting denser. The immense number of useless projects is bewildering. Too many things have to be put in to balance up an uncertain scale. You can't disappear anymore. You die in a state of total indecision.
The world is not dialectical, it is sworn to extremes, not to equilibrium, sworn to radical antagonism, not to reconciliation or synthesis. This is also the principle of evil.
'Necessity is the mother of invention' is a silly proverb. 'Necessity is the mother of futile dodges' is much nearer the truth.
The vitality of thought is in adventure. Ideas won't keep. Something must be done about them. When the idea is new, its custodians have fervor, live for it, and if need be, die for it.
When the robot mind is mastered, undisciplined thinking ceases and is replaced by awareness. Awareness can know love.
It is the habit of the mind to destroy the state of awareness as quickly as possible. It does this by judging, for judging is thinking.
To me a book is a message from the gods to mankind, or, if not, should never be published at all. A message from the gods should be delivered at once. It is damnably blasphemous to talk about the autumn season and so on. How dare the author or publisher demand a price for doing his duty, the highest and most honorable to which a man can be called?
It is a sad reflection, that a sense of responsibility which comes with power is the rarest of things.
The emotions are not always subject to reason but they are always subject to action. When thoughts do not neutralize an undesirable emotion, action will.
Two things fill the mind with ever new and increasing wonder and awe, the starry heavens above me and the moral law within me.
All the interests of my reason, speculative as well as practical, combine in the three following questions:
1. What can I know?
2. What ought I to do?
3. What may I hope?
In law a man is guilty when he violates the rights of others. In ethics he is guilty if he only thinks of doing so.
Most men make little use of their speech than to give evidence against their own understanding.
True realism consists in revealing the surprising things which habit keeps covered and prevents us from seeing.
The apple cannot be stuck back on the Tree of Knowledge, once we begin to see, we are doomed and challenged to seek the strength to see more, not less.
Praise is warming and desirable. But it is an earned thing. It has to be deserved, like a hug from a child.
A slave has but one master, an ambitious man has as many masters as there are people who may be useful in bettering his position.
Human memory is a marvelous but fallacious instrument. The memories which lie within us are not carved in stone, not only do they tend to become erased as the years go by, but often they change, or even increase by incorporating extraneous features.
Indolence is a delightful but distressing state, we must be doing something to be happy. Action is no less necessary than thought to the instinctive tendencies of the human frame.
Science and art have that in common that everyday things seem to them new and attractive.