If a man's wit be wandering, let him study the mathematics.

He that hath knowledge spareth his words.

If there be fuel prepared, it is hard to tell whence the spark shall come that shall set it on fire.

Secrecy in suits goes a great way towards success.

Again there is another great and powerful cause why the sciences have made but little progress; which is this. It is not possible to run a course aright when the goal itself has not been rightly placed.

Since custom is the principal magistrate of man's life, let men by all means endeavor to obtain good customs.

Vices of the time; vices of the man.