Title: אופציונלי

Text: It is generally of little avail to form the definite resolution to devote oneself to the investigation of this or that problem. Often one does not know in which direction to take the next step. In scientific research it is more fruitful to attempt what happens to be before one at the moment and for whose investigation there is a discoverable method. כל פסקה תהיה מבחן.

Save test: השתמש בזה אם אתה רוצה לשתף את המבחן הזה בהקלדה (רק למשתמשים מאומתים).