天下之理,一而已矣。
天下的道理,归根结底只有一个。
The database is the most important piece of software in the enterprise, and the most important piece of software in the enterprise is the database.
Starting a business is like groping in the dark, you must trust your intuition.
When everything is easy one quickly gets stupid.
人は、困難を乗り越えることで、成長する。