It is not only in debates that the presence of this virtue should make itself felt, but every act of our life should be impregnated with it.

There are no circumstances, no matter how insignificant they may appear, where the intervention of common sense would be undesirable.

It is only common sense which will indicate the course of conduct to be pursued, so as not to hurt the feelings or offend the prejudices of other people.

There are great savants, whose science, freed from all puerile beliefs, rises above current superstition.

They would consider it a great lack of common sense if they expounded their theories before the humble-minded, whose blind faith would be injured thereby.

Of two things one is certain:  either they would refuse to believe such theories and this display of learning would be fruitless, or their habitual credulity would be troubled and they would lose their tranquility without acquiring a conviction sufficiently strong to give them perfect peace of mind.

Even in things which concern health, common sense is applicable to daily life.

It is common sense which will preserve us from excesses, by establishing the equilibrium of the annoyances which result from them, with reference to the doubtful pleasure which they procure.

Thanks to common sense, we shall avoid the weariness of late nights and the danger of giving oneself up to the delights of dissipation.

“It is common sense,” says the philosopher, “which forces us at a banquet to raise our eyes to the hour-glass to find out how late it is.

“It is under the inspiration of this great quality of mind that we shall avoid putting to our lips the cup already emptied many times.

“Common sense will reflect upon the mirror of our imagination the specter of the day after the orgy; it will evoke the monster of the headache which works upon the suffering cranium with its claws of steel; and, at some future day, it will show us precocious decrepitude as well as all bodily ills which precede the final decay of those who yield to their passions.  It will also impose upon us the performance of duty under the form which it has adopted for each individual.

“Common sense represents for some the care of public affairs; for others those of the family; for us all the great desire to leave intact to our descendants the name which we have received from our fathers.

“For some of those still very young, it is like a lover long desired!

“For sages and warriors, it blows the trumpet of glory.

“Finally, common sense is the chosen purpose of every one, courted, demanded, desired or accepted, but it exists, and under the penalty of most serious inconveniences it does not permit us to forget its existence.”

Coming down from the heights where he allows himself to be transported at times for a brief moment, Yoritomo tells us the part played by common sense with reference to health.