United States dollar or ""bill"" (e.g. ""two bills"" being $200). The $50 note is occasionally called a ""yardstick"" or a ""grant"" (after President Ulysses S. Grant, pictured on the obverse). The $20 note is referred to as a ""double sawbuck"", ""Jackson"" (after Andrew Jackson), or "double eagle". The $10 note is referred to as a ""sawbuck"", ""ten-spot"" or ""Hamilton"" (after Alexander Hamilton). The $5 note as ""Lincoln"", ""fin"", ""fiver"" or ""five-spot"". The infrequently-used $2 note is sometimes called ""deuce"", ""Tom"", or ""Jefferson"" (after Thomas Jefferson). The $1 note as a ""single"" or ""buck"". The dollar has also been referred to as a ""bone""
Science as a Vocation what to value. Value he contends can only be derived from personal beliefs such as religion. He further argues for the separation of reason and faith, noting that each has its place in respective field but if crossed over cannot work. Weber also separates fact from value in politics. He argues that a teacher should impart knowledge to students and teach them how to clarify issues logically – even political issues – but teachers should never use the classroom to indoctrinate or preach their personal political views. Weber also makes some practical comments about research and teaching. He notes that