There is no escaping the fact that, even in a great career, sometimes the best advances happen through luck, chance and accident.

It is commonly said that a teacher fails if he has not been surpassed by his students.

We owe our success to them, and also to the fact that, as the saying goes, two "Eds" are better than one.

The only time you must not fail is the last time you try

I'm very confident. Even when I read people saying horrible stuff about my weight.

Every blunder behind us is giving a cheer for us, and only for those who were willing to fail are the dangers and splendors of life.

And thought struggles against the results, trying to avoid those unpleasant results while keeping on with that way of thinking. That is what I call 'sustained incoherence.

In the mouths of many men soft words are like roses that soldiers put into the muzzles of their muskets on holidays.

When we meet with better fare than was expected, the disappointment is overlooked even by the unscrupulous. When we meet with worse than was expected, philosophers alone know how to make it better.

I have a lot of heroes. I don't think people give enough of a tribute to their mentors. They try to act like they're spontaneous generations - they are faking liars.

Indeed, I find it illuminating to consider to what extent our "classical conditions" for economic growth are satisfied in the current, monopolistic phase of capitalism.

Betrayal of any kind is hard, but betrayal by one's religion is excruciating. It makes you want to rage and weep.