Similar sentiments had been expressed by others before. Criticism can be expressed publicly or privately. He believed that it could not be properly expressed by any other director. Consent can be either expressed or implied. However, others have expressed disagreement with this early view. Formally, this can be expressed as follows. He has also expressed an interest in politics. However, not every covector field can be expressed this way. There the Cowboys freely expressed their opinions publicly, loudly, and with little opposition. Jared Diamond had earlier expressed similar concerns. The locus can be expressed as 2q21. However, molar substitution is also often expressed in percentages. This can be expressed mathematically as follows. But because of the denial, it cannot be expressed directly. Tensions have been expressed in terrorist incidents.