It is a positive commandment from the Torah (Miswah DeOraitha) to write the portions of Shema' Yisrael and Wehaya...
Wednesday, November 16, 2011/Heshwan 19, 5772

Neither a vow nor an oath may be annulled before the time that the vow or oath actually comes into effect....
Wednesday, January 12, 2011/Shebat 7, 5771