Policy without evidence is like a ship without a compass.

If you skillfully follow the multidisciplinary path, you will never wish to come back.It would be like cutting off your hands.

The act of discovery is not reserved for the genius alone.

Technological progress must go hand in hand with ethics.

The wisdom of hindsight, so useful to historians and indeed to authors of memoirs, is sadly denied to practising politicians.

Mathematics knows no races or geographic boundaries; for mathematics, the cultural world is one country.

我宁愿做一个失败的作家，也不愿做一个成功的银行家。