Besides , they were too little to go outside of the Old Briar-patch now .<br>Indeed , they were too little to go outside their nursery , which was in a clump of sweet-briar bushes in the very middle of the Old Briar - patch , and Peter felt that there they were perfectly safe .<br>`` It is n't time to worry yet , '' said Peter to little Mrs. Peter , as he saw the fright in her eyes as the shadow of Redtail passed over them .<br>`` I do n't believe in borrowing trouble .
They needed to grow before leaving.
They were too little to leave.
( z1 need :ARG0 ( z2 they ) :ARG1 ( z3 grow :ARG1 z2 :time ( z4 before :op ( z5 leave :ARG0 z2 ) ) ) )