It is further understood and agreed that waiver by Landlord of any default or breach of any covenant, condition or agreement herein shall not be construed to be a waiver of that covenant, condition or agreement or of any subsequent breach thereof. The acceptance of rent by Landlord with knowledge of the breach of any covenant of this Lease shall not be deemed a waiver of such breach. No delay or omission of Landlord to exercise any right or power arising from any default on part of Tenant shall impair any such right or power, or shall be construed to be a waiver of any such default or acquiescence thereto.