宜静默，宜从容，宜谨严，宜俭约，四者，切己良箴；忌多欲，忌妄动，忌坐驰，忌旁骛，四者，切己大病。常操常存，得一恒字诀；勿忘勿助，得一渐字诀。
宜安静，少说话，从容不迫，严谨及俭约，这些都是监督自己的良言。避多欲，盲动，心不专一，以此避免自己的缺失。在实践这些修养的过程中，能体会到恒字的秘诀。而在不间断的过程里，能体验出渐字的秘诀。
Sustainability isn't an option; it's a necessity for the survival of our industry.
I'm not a trend, I'm an icon.
The most dangerous phrase in business is 'We've always done it this way.'
The more time I spent on mathematics, the more excited I got.