I was convinced that the trading frequency measured a fundamental heartbeat of financial markets. Clearly it reflected the flow of information. It turns out also to be closely related to measures of liquidity.

There are some risks we choose to take because the benefits from taking them exceed the possible costs. Optimal behavior takes risks that are worthwhile. This is the central paradigm of finance: we must take risks to achieve rewards, but not all risks are equally rewarded.

The advantage of knowing about risks is that we can change our behavior to avoid them. Of course, it is easily observed that to avoid all risks would be impossible; it might entail no flying, no driving, no walking, eating and drinking only healthy foods, and never being touched by sunshine. Even a bath could be dangerous.

My mother says that my father truly enjoyed having a son. My two-years-younger twin sisters felt that he didn't quite know how to enjoy them. But I wasn't aware of those things then. So many of my childhood memories involve him. All the excursions into science were shaped by his knowledge and enthusiasm.

Sometimes, tax rate increases create the very problems that the spending is intended to cure. In other words, the tax rate increases reduce economic growth; they shrink the pie; they cause more poverty, more despair, more unemployment, which are all things government is trying to alleviate with spending.

He is the richest man who enriches his country most; in whom the people feel richest and proudest; who gives himself with his money; who opens the doors of opportunity widest to those about him; who is ears to the deaf, eyes to the blind, and feet to the lame.

Westerns are a type of picture which everybody can see and enjoy. Westerns always make money. And they always increase a star's fan following.

Neofascism in the United States takes the form of big money, big banks, big corporations, tied to xenophobic scapegoating of the vulnerable, like Mexicans and Muslims and women and black folk, and militaristic policies abroad, with strongman, charismatic, autocratic personality, and that's what Donald Trump is.