There are in fact four very different stumbling blocks in the way of grasping the truth, which hinder every man read more

There are in fact four very different stumbling blocks in the way of grasping the truth, which hinder every man however learned, and scarcely allow anyone to win a clear title to wisdom, namely, the example of weak and unworthy authority, longstanding custom, the feeling of the ignorant crowd, and the hiding of our own ignorance while making a display of our apparent knowledge.

Conscience is the inner voice which warns us that someone may be looking.

Conscience is the inner voice which warns us that someone may be looking.

If you're going to do something tonight that you'll be sorry for tomorrow, sleep late.

If you're going to do something tonight that you'll be sorry for tomorrow, sleep late.

You accept certain unlovely things about yourself and manage to live with them. The atonement for such an acceptance is read more

You accept certain unlovely things about yourself and manage to live with them. The atonement for such an acceptance is that you make allowances for others - that you cleanse yourself of the sin of self-righteousness.

I am what is mine. Personality is the original personal property.

I am what is mine. Personality is the original personal property.

Now as of old the gods give men all good things, excepting only those that are baneful and injurious and read more

Now as of old the gods give men all good things, excepting only those that are baneful and injurious and useless. These, now as of old, are not gifts of the gods: men stumble into them themselves because of their own blindness and folly.

Because we do not understand the brain very well we are constantly tempted to use the latest technology as a read more

Because we do not understand the brain very well we are constantly tempted to use the latest technology as a model for trying to understand it. In my childhood we were always assured that the brain was a telephone switchboard. ('What else could it be?') I was amused to see that Sherrington, the great British neuroscientist, thought that the brain worked like a telegraph system. Freud often compared the brain to hydraulic and electro-magnetic systems. Leibniz compared it to a mill, and I am told some of the ancient Greeks thought the brain functions like a catapult. At present, obviously, the metaphor is the digital computer.

Whoso neglects learning in his youth, loses the past and is dead for the future.

Whoso neglects learning in his youth, loses the past and is dead for the future.

Power concedes nothing without a demand.

Power concedes nothing without a demand.