The most important thing is to stay alive.

Sustainability is no longer an option; it's a necessity for the future of leather tanning.

The power of mathematics lies in its ability to simplify the complex.

A good mathematician is lazy, but in a constructive way.

The artist, like the God of the creation, remains within or behind or beyond or above his handiwork, invisible, refined out of existence, indifferent, paring his fingernails.

做出伟大工作的唯一途径就是热爱你所做的事。